US2852903A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mower assembly
Assignee: Individual
•
Filing: 1956-03-12
•
Granted: 1958-09-23
•
Expires: 1976-03-12
Abstract
No abstract record available.
Inventors
- 👤 William O Olson
- 👤 Lyle L Olson
- 👤 Sr Werner A Kehrli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:40
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/404; A01D43/00; A01D43/08; Y; Y10; Y10S; Y10S56/00; Y10S56/01; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18288; Y10T83/00; Y10T83/929; Y10T83/9411; Y10T83/9447
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US15672A
Cited
US225703A
Cited
US264449A
Cited
US536695A
Cited
US1280686A
Cited
US1717931A
Cited
CH260241A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-22 | 1962-03-24 | 1962-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-22 | 1966-03-24 | 1966-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-22 | 1970-03-24 | 1970-09-23 | $7700.00 | Window Closed / Lapsed |