US2274978A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: FLORENCE L MCCLINTOCK
•
Filing: 1941-02-26
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Granted: 1942-03-03
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Expires: 1961-02-26
Abstract
No abstract record available.
Inventors
- 👤 Neil B Currier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:21
CPC Classifications
B; B65; B65H; B65H35/00; B65H35/0006; B65H35/0073; B65H35/008; B65H35/0086; B26; B26D; B26D1/00; B26D1/01; B26D1/04; B26D1/06; B26D1/10; B26D1/105; Y; Y10; Y10T; Y10T83/00; Y10T83/869; Y10T83/8769; Y10T83/887
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1945-03-02 | 1945-09-01 | 1946-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-03-02 | 1949-09-01 | 1950-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-03-02 | 1953-09-01 | 1954-03-03 | $7700.00 | Window Closed / Lapsed |