US3445991A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-propelled mower
Assignee: YARD MAN Inc
•
Filing: 1965-09-03
•
Granted: 1969-05-27
•
Expires: 1985-09-03
Abstract
No abstract record available.
Inventors
- 👤 Rudolph A Hanson
- 👤 Frank J Deptula
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:17
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/412; A01D34/63; A01D34/67; A01D34/68; A01D34/6806; A01D2034/6843; A01D2101/00; Y; Y10; Y10S; Y10S56/00; Y10S56/04
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) | 1972-05-26 | 1972-11-25 | 1973-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-26 | 1976-11-25 | 1977-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-26 | 1980-11-25 | 1981-05-27 | $7700.00 | Window Closed / Lapsed |