US3508718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spindle for cartridge-loading motion picture projectors
Assignee: Eastman Kodak Co
•
Filing: 1968-05-24
•
Granted: 1970-04-28
•
Expires: 1988-05-24
Abstract
No abstract record available.
Inventors
- 👤 Frank W Paul Jr
- 👤 Peter Andrews
- 👤 George Niedzielski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:43
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/14; G03B21/32; G03B21/321; G03B21/323
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1378672A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-04-27 | 1973-10-27 | 1974-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-27 | 1977-10-27 | 1978-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-27 | 1981-10-27 | 1982-04-28 | $7700.00 | Window Closed / Lapsed |