US2645332A
Expired / Lapsed
US
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Assignee: MARTIN
•
Filing: 1951-07-12
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Granted: 1953-07-14
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Expires: 1971-07-12
Abstract
No abstract record available.
Inventors
- 👤 Martin Nora Bridges
- 👤 Eric K Lotthammer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:41
CPC Classifications
F; F25; F25D; F25D3/00; F25D3/02; F25D3/06; F25D3/08; A; A45; A45C; A45C11/00; A45C11/20; F25D2303/00; F25D2303/08; F25D2303/081; F25D2303/084; F25D2303/0845; F25D2331/00; F25D2331/80; F25D2331/804; Y; Y10; Y10T; Y10T292/00; Y10T292/68
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-13 | 1957-01-12 | 1957-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-13 | 1961-01-12 | 1961-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-13 | 1965-01-12 | 1965-07-14 | $7700.00 | Window Closed / Lapsed |