Patent US3524309A successfully refreshed from Google Patents.
US3524309A
Expired / Lapsed
US
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Golf greens mower
Assignee: GORDON E BARTLETT
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Filing: 1968-08-20
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Granted: 1970-08-18
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Expires: 1988-08-20
Abstract
No abstract record available.
Inventors
- 👤 Gordon E Bartlett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:04
CPC Classifications
A; A01; A01D; A01D34/00; A01D34/01; A01D34/412; A01D34/42; A01D34/54; A01D2101/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US644793A
Cited
US1538381A
Cited
US2032784A
Cited
US2329383A
Cited
US2972218A
Cited
US2968906A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-17 | 1974-02-16 | 1974-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-17 | 1978-02-16 | 1978-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-17 | 1982-02-16 | 1982-08-18 | $7700.00 | Window Closed / Lapsed |