US3033253A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tree saw
Assignee: Individual
•
Filing: 1959-09-28
•
Granted: 1962-05-08
•
Expires: 1979-09-28
Abstract
No abstract record available.
Inventors
- 👤 Glendon M Purdy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:32
CPC Classifications
A; A01; A01G; A01G23/00; A01G23/02; A01G23/06; B; B27; B27B; B27B11/00; B27B11/12; Y; Y10; Y10T; Y10T83/00; Y10T83/869; Y10T83/929; Y10T83/9319; Y10T83/9346
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US927612A
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US1336209A
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US1346382A
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US1894516A
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US2309223A
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US2336124A
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US2396407A
Cited
US2512666A
Cited
US2633880A
Cited
US2770267A
Cited
US2821217A
Cited
US2934109A
Cited
US3004570A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-07 | 1965-11-06 | 1966-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-07 | 1969-11-06 | 1970-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-07 | 1973-11-06 | 1974-05-08 | $7700.00 | Window Closed / Lapsed |