US2639871A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stock reel
Assignee: C TODD
•
Filing: 1950-07-27
•
Granted: 1953-05-26
•
Expires: 1970-07-27
Abstract
No abstract record available.
Inventors
- 👤 Koch Frederick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:06
CPC Classifications
B; B65; B65H; B65H54/00; B65H54/56; B65H54/58
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1186027A
Cited
US1542485A
Cited
US1885613A
Cited
US2012452A
Cited
US2250494A
Cited
US2300869A
Cited
US2280012A
Cited
US2326092A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-25 | 1956-11-24 | 1957-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-25 | 1960-11-24 | 1961-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-25 | 1964-11-24 | 1965-05-26 | $7700.00 | Window Closed / Lapsed |