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US2597485A
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Weed destroying machine
Assignee: Individual
•
Filing: 1949-03-08
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Granted: 1952-05-20
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Expires: 1969-03-08
Abstract
No abstract record available.
Inventors
- 👤 Laurence D Hillyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:00
CPC Classifications
A; A01; A01B; A01B39/00; A01B39/12; A01B39/18; A01D; A01D34/00; A01D34/01; A01D34/412; A01D34/42; A01D34/52; A01D34/535
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE368762C
Cited
US1035056A
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US1263965A
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US1505572A
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US1542963A
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US1893871A
Cited
US1862035A
Cited
US2341486A
Cited
GB593225A
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 |