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US2589667A
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Assignee: Buxton Inc
•
Filing: 1947-06-28
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Granted: 1952-03-18
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Expires: 1967-06-28
Abstract
No abstract record available.
Inventors
- 👤 Douglas J Broughton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:14
CPC Classifications
A; A45; A45C; A45C1/00; A45C1/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1073768A
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US1545577A
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US1677770A
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US1944345A
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US1920060A
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US1952732A
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US2156875A
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US2150989A
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US2280889A
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US2329007A
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US2431472A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-03-18 | 1955-09-17 | 1956-03-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-18 | 1959-09-17 | 1960-03-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-18 | 1963-09-17 | 1964-03-18 | $7700.00 | Window Closed / Lapsed |