US2827749A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grass seed harvesting machine
Assignee: Individual
•
Filing: 1954-10-26
•
Granted: 1958-03-25
•
Expires: 1974-10-26
Abstract
No abstract record available.
Inventors
- 👤 Lawson L Patten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:07
CPC Classifications
A; A01; A01D; A01D45/00; A01D45/30; Y; Y10; Y10S; Y10S56/00; Y10S56/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US962780A
Cited
US2191135A
Cited
US2207353A
Cited
US2256219A
Cited
US2243650A
Cited
US2330727A
Cited
US2474557A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-24 | 1961-09-23 | 1962-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-24 | 1965-09-23 | 1966-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-24 | 1969-09-23 | 1970-03-25 | $7700.00 | Window Closed / Lapsed |