US2878633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary lawn mower and sprayer with hollow shaft engine drive
Assignee: Individual
•
Filing: 1956-10-11
•
Granted: 1959-03-24
•
Expires: 1976-10-11
Abstract
No abstract record available.
Inventors
- 👤 Archie R Mullin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:27
CPC Classifications
A; A01; A01D; A01D43/00; A01D43/14; A01D2101/00; Y; Y10; Y10S; Y10S239/00; Y10S239/06; Y10S56/00; Y10S56/05
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1373372A
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US2742751A
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US2721437A
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US2750708A
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US2766065A
Cited
US2740248A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-23 | 1962-09-22 | 1963-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-23 | 1966-09-22 | 1967-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-23 | 1970-09-22 | 1971-03-24 | $7700.00 | Window Closed / Lapsed |