US2972848A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corn harvesting machine
Assignee: Individual
•
Filing: 1958-11-12
•
Granted: 1961-02-28
•
Expires: 1978-11-12
Abstract
No abstract record available.
Inventors
- 👤 Russell C Mckee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:16
CPC Classifications
A; A01; A01D; A01D43/00; A01D43/08; A01D43/081; A01D87/00; A01D87/10; Y; Y10; Y10S; Y10S56/00; Y10S56/01
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2442520A
Cited
US2651162A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-02-28 | 1964-08-29 | 1965-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-02-28 | 1968-08-29 | 1969-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-02-28 | 1972-08-29 | 1973-02-28 | $7700.00 | Window Closed / Lapsed |