US2782703A
Expired / Lapsed
US
⏱️ 0.0 years remaining
chambers etal
Assignee: —
•
Filing: —
•
Granted: 1957-02-26
•
Expires: 1974-02-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:55
CPC Classifications
A; A01; A01B; A01B63/00; A01B63/02; A01B63/10; A01B63/111; A01B63/112; A01B59/00; A01B59/06; A01B59/066; A01B59/068; A01B63/114; A01B63/14; Y; Y10; Y10S; Y10S111/00; Y10S111/925; Y10S111/926; Y10S111/927
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1867521A
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US1900440A
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US2405980A
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US2621575A
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US2561614A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-26 | 1960-08-27 | 1961-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-26 | 1964-08-27 | 1965-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-26 | 1968-08-27 | 1969-02-26 | $7700.00 | Window Closed / Lapsed |