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US2535256A
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Assignee: BENSON
•
Filing: 1946-04-05
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Granted: 1950-12-26
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Expires: 1966-04-05
Abstract
No abstract record available.
Inventors
- 👤 Earl L Benson
- 👤 Horace G Young
- 👤 Roy B Hunt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 11:38
CPC Classifications
A; A01; A01K; A01K97/00; A01K97/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1306132A
Cited
US731398A
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US1185798A
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US1356400A
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US1558545A
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US1537760A
Cited
US1809523A
Cited
US1967506A
Cited
US2111959A
Cited
US2229685A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-12-25 | 1954-06-26 | 1954-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-25 | 1958-06-26 | 1958-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-25 | 1962-06-26 | 1962-12-26 | $7700.00 | Window Closed / Lapsed |