US2779604A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Traction boosting system for tractors
Assignee: Allis Chalmers Corp
•
Filing: 1955-07-11
•
Granted: 1957-01-29
•
Expires: 1975-07-11
Abstract
No abstract record available.
Inventors
- 👤 Wendelin L Voegeli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:07
CPC Classifications
B; B62; B62D; B62D49/00; B62D49/06; B62D49/0621; A; A01; A01B; A01B63/00; A01B63/14; A01B63/24; A01B63/32; A01D; A01D67/00; A01D67/005
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-29 | 1960-07-30 | 1961-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-29 | 1964-07-30 | 1965-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-29 | 1968-07-30 | 1969-01-29 | $7700.00 | Window Closed / Lapsed |