US2808259A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuous film loop holder for repeating projectors
Assignee: Eastman Kodak Co
•
Filing: 1953-06-10
•
Granted: 1957-10-01
•
Expires: 1973-06-10
Abstract
No abstract record available.
Inventors
- 👤 Raymond W Wengel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:21
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/14; G03B21/32
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US743419A
Cited
US661295A
Cited
US940933A
Cited
US1161346A
Cited
US1296476A
Cited
US1399504A
Cited
FR599027A
Cited
US1762934A
Cited
US1825142A
Cited
US1883987A
Cited
US2180601A
Cited
GB613471A
Cited
US2521440A
Cited
US2563893A
Cited
US2608778A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-30 | 1961-04-01 | 1961-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-30 | 1965-04-01 | 1965-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-30 | 1969-04-01 | 1969-10-01 | $7700.00 | Window Closed / Lapsed |