US2884650A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tub overflow
Assignee: Individual
•
Filing: 1957-03-26
•
Granted: 1959-05-05
•
Expires: 1977-03-26
Abstract
No abstract record available.
Inventors
- 👤 Orin N Cooper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:04
CPC Classifications
D; D06; D06F; D06F39/00; D06F39/08; D06F39/083; E; E03; E03C; E03C1/00; E03C1/12; E03C1/22; E03C1/23; E03C1/232; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86236
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US324542A
Cited
US2321176A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-04 | 1962-11-03 | 1963-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-04 | 1966-11-03 | 1967-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-04 | 1970-11-03 | 1971-05-05 | $7700.00 | Window Closed / Lapsed |