US2912176A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Free swinging impeller for waste disposal apparatus
Assignee: GIVEN MACHINERY Co
•
Filing: 1956-12-26
•
Granted: 1959-11-10
•
Expires: 1976-12-26
Abstract
No abstract record available.
Inventors
- 👤 Jordan Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:54
CPC Classifications
E; E03; E03C; E03C1/00; E03C1/12; E03C1/26; E03C1/266; E03C1/2665
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2171463A
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US2536929A
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US2573213A
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US2767927A
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US2730308A
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US2760730A
Cited
US2828083A
Cited
US2828084A
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US2819847A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-09 | 1963-05-11 | 1963-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-09 | 1967-05-11 | 1967-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-09 | 1971-05-11 | 1971-11-10 | $7700.00 | Window Closed / Lapsed |