Patent EP0307856A2 successfully refreshed from Google Patents.
Patent US2597735A successfully refreshed from Google Patents.
US2597735A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lawn mower
Assignee: Sunbeam Corp
•
Filing: 1946-09-13
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Granted: 1952-05-20
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Expires: 1966-09-13
Abstract
No abstract record available.
Inventors
- 👤 Jepson Ivar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:47
CPC Classifications
A; A01; A01D; A01D69/00; A01D69/02; A01D34/00; A01D34/01; A01D34/412; A01D34/42; A01D34/46; A01D34/47; A01D34/475; A01D34/56; A01D34/58
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US375842A
Cited
US975617A
Cited
US1115350A
Cited
US1452730A
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US1469603A
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US1802358A
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US1870382A
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US2053535A
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US2097351A
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US2089445A
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US2185833A
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US2300461A
Cited
US2285230A
Cited
US2298135A
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US2417613A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-05-20 | 1955-11-19 | 1956-05-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-20 | 1959-11-19 | 1960-05-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-20 | 1963-11-19 | 1964-05-20 | $7700.00 | Window Closed / Lapsed |