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Patent US2834277A successfully refreshed from Google Patents.
US2834277A
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Assignee: Allis Chalmers Corp
•
Filing: 1953-08-13
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Granted: 1958-05-13
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Expires: 1973-08-13
Abstract
No abstract record available.
Inventors
- 👤 Willard H Tanke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 08:55
CPC Classifications
A; A01; A01B; A01B63/00; A01B63/02; A01B63/10; A01B63/118; A01B59/00; A01B59/06; A01B59/066; Y; Y02; Y02A; Y02A40/00; Y02A40/10; Y02A40/28; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32606; Y10T403/32819
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-12 | 1961-11-11 | 1962-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-12 | 1965-11-11 | 1966-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-12 | 1969-11-11 | 1970-05-13 | $7700.00 | Window Closed / Lapsed |