US2915127A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid controlled junk basket
Assignee: Individual
•
Filing: 1956-03-29
•
Granted: 1959-12-01
•
Expires: 1976-03-29
Abstract
No abstract record available.
Inventors
- 👤 Abendroth O'farrel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:13
CPC Classifications
E; E21; E21B; E21B31/00; E21B31/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1720700A
Cited
US2617486A
Cited
US2701019A
Cited
US2638988A
Cited
US2787327A
Cited
US2675879A
Cited
US2663370A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-30 | 1963-06-01 | 1963-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-30 | 1967-06-01 | 1967-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-30 | 1971-06-01 | 1971-12-01 | $7700.00 | Window Closed / Lapsed |