Patent US3873486A successfully refreshed from Google Patents.
Patent US2961129A successfully refreshed from Google Patents.
US2961129A
Expired / Lapsed
US
⏱️ 0.0 years remaining
bullock
Assignee: —
•
Filing: —
•
Granted: 1960-11-22
•
Expires: 1977-11-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:05
CPC Classifications
B; B05; B05B; B05B11/00; B05B11/01; B05B11/06; A; A01; A01G; A01G20/00; A01G20/40; A01G20/43; A01G20/47
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE616799C
Cited
US1093820A
Cited
DE816777C
Cited
US2686045A
Cited
DE923737C
Cited
DE927597C
Cited
US2750104A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-22 | 1964-05-23 | 1964-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-22 | 1968-05-23 | 1968-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-22 | 1972-05-23 | 1972-11-22 | $7700.00 | Window Closed / Lapsed |