Patent US3333888A successfully refreshed from Google Patents.
US3333888A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Walking tractor cabs
Assignee: Individual
•
Filing: 1965-09-03
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Granted: 1967-08-01
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Expires: 1985-09-03
Abstract
No abstract record available.
Inventors
- 👤 Williams Oscar Stanley
- 👤 Robert S Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 03:12
CPC Classifications
B; B62; B62D; B62D51/00; B62D51/04; B62D51/06; A; A01; A01D; A01D67/00; A01D67/02; A01D75/00; A01D75/20; B62D33/00; B62D33/06; B62D33/0617; B62D33/0621; B62D33/0625; E; E01; E01H; E01H5/00; E01H5/04; A01B; A01B33/00; A01B33/02; A01B33/028; Y; Y10; Y10S; Y10S135/00; Y10S135/90
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US691964A
Cited
US1042305A
Cited
US1239916A
Cited
US1292610A
Cited
US1369585A
Cited
GB236991A
Cited
US2632263A
Cited
US2985224A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-31 | 1971-01-30 | 1971-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-31 | 1975-01-30 | 1975-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-31 | 1979-01-30 | 1979-08-01 | $7700.00 | Window Closed / Lapsed |