US2964117A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Combination storage and deadman apparatus
Assignee: Individual
•
Filing: 1956-12-19
•
Granted: 1960-12-13
•
Expires: 1976-12-19
Abstract
No abstract record available.
Inventors
- 👤 Emil A Bender
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:03
CPC Classifications
E; E21; E21B; E21B21/00; E21B21/01; E21B7/00; E21B7/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US57866A
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US1310516A
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US662669A
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US1972807A
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US2187871A
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US2285543A
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US2406510A
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US2455271A
Cited
US2539663A
Cited
US2537219A
Cited
US2783027A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-13 | 1964-06-13 | 1964-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-13 | 1968-06-13 | 1968-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-13 | 1972-06-13 | 1972-12-13 | $7700.00 | Window Closed / Lapsed |