US2889607A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Case LLC
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Filing: 1958-05-15
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Granted: 1959-06-09
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Expires: 1978-05-15
Abstract
No abstract record available.
Inventors
- 👤 Houston N Irvine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:33
CPC Classifications
A; A01; A01D; A01D89/00; A01D89/001; A01D89/003; A01D80/00; A01D80/02; Y; Y10; Y10T; Y10T24/00; Y10T24/13; Y10T24/1391; Y10T24/20; Y10T24/202; Y10T24/203; Y10T24/44; Y10T24/44017; Y10T24/44291; Y10T24/44376; Y10T24/44385; Y10T24/44462; Y10T24/4447
Claims Analysis
Total Claims: 0
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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) | 1962-06-08 | 1962-12-08 | 1963-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-06-08 | 1966-12-08 | 1967-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-06-08 | 1970-12-08 | 1971-06-09 | $7700.00 | Window Closed / Lapsed |