US3431659A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-loading scraper bowl
Assignee: Motors Liquidation Co
•
Filing: 1966-07-05
•
Granted: 1969-03-11
•
Expires: 1986-07-05
Abstract
No abstract record available.
Inventors
- 👤 William H Eiger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:21
CPC Classifications
E; E02; E02F; E02F3/00; E02F3/04; E02F3/64; E02F3/65; E02F3/654; E02F3/655; E02F3/6454; E02F3/6472
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1397994A
Cited
US1477212A
Cited
US2104191A
Cited
US2563926A
Cited
US2569336A
Cited
US2795314A
Cited
US3331149A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-10 | 1972-09-09 | 1973-03-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-10 | 1976-09-09 | 1977-03-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-10 | 1980-09-09 | 1981-03-11 | $7700.00 | Window Closed / Lapsed |