OPERATIONS ON THE GEAR HOBBING MACHINE
AL GEAR, TWO CUTS — NON-DIFFERENTIAL METHOD. M 475. MACHINE SHOP WORK. OPERATIONS ON THE HORIZONTAL BORING MILL. 1 reel each. Produced under the direction of the U. S. Office of Education. © Escar Motion Picture Service, Inc., author and claimant, Cleveland. 1, SETUP FOR FACE MILLING WITH A FIXTURE.
Registration MP507 (part 2: HOBBING A SPUR GEAR) No renewal found
- Term began
- 1945-11-01
- Claimant
- 2c 4-25-46, synopsis
- Class
- MP — published motion picture other than a photoplay (numbering series begun 1946)
- Finding
- no renewal entry found for 1972-1974 in the CCE motion-picture renewal sections
- In the public domain since
- 1 January 1974 (end of the 28th year, no renewal)
A renewal would have appeared in the Copyright Office's renewal registrations 27 to 29 years after the term began. Those volumes are loaded and no matching renewal was found. A work published 1931–1963 that was not renewed entered the public domain at the end of its 28th year.
A renewal had to be filed in the 28th year and would be listed in the 1972 or 1973 volume; volumes searched: 1972, 1973, 1974.
Catalog entry
Catalog of Copyright Entries, New Series, Part 1 Group 3: Dramatic Compositions, Motion Pictures, 1946, Internet Archive catalogofcopyrig191libr (OCR text), lines 74986–75030.
2. HOBBING A SPUR GEAR. Pt. II. SETTING UP AND HOBBING THE WORK. M 472 1, 277 MACKINACK ISLAND. MAD ABOUT HER BLUES. 3. HOBBING A SQUARE TOOTH SPLINE SHAFT. M 473. 4. HOBBING A WORM GEAR —INFEED METHOD, M 474, 5. HOBBING A HELICAL GEAR, TWO CUTS — NON-DIFFERENTIAL METHOD. M 475. MACHINE SHOP WORK. OPERATIONS ON THE HORIZONTAL BORING MILL. 1 reel each. Produced under the direction of the U. S. Office of Education. © Escar Motion Picture Service, Inc., author and claimant, Cleveland. 1, SETUP FOR FACE MILLING WITH A FIXTURE. © 11-1-45; 2c 4-25-46, synopsis; M 507, 2. FACE MILLING WITH A FIXTURE.
Copies on the Internet Archive
Not searched yet.