US2940682A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring mechanism for automatically transporting roll films
Assignee: Individual
•
Filing: 1956-01-25
•
Granted: 1960-06-14
•
Expires: 1976-01-25
Abstract
No abstract record available.
Inventors
- 👤 Steineck Rudolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:12
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/28; G03B17/30; G03B2217/00; G03B2217/26; G03B2217/261
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1195076A
Cited
US1331849A
Cited
US1249941A
Cited
US1258387A
Cited
US1628580A
Cited
US2704969A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-14 | 1963-12-14 | 1964-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-14 | 1967-12-14 | 1968-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-14 | 1971-12-14 | 1972-06-14 | $7700.00 | Window Closed / Lapsed |