US2661090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1948-09-28
•
Granted: 1953-12-01
•
Expires: 1968-09-28
Abstract
No abstract record available.
Inventors
- 👤 Burton R Garrett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:17
CPC Classifications
B; B07; B07C; B07C5/00; B07C5/04; Y; Y10; Y10S; Y10S209/00; Y10S209/91; Y10S209/924
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US613574A
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US1495494A
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US1536887A
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US1651622A
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US1853176A
Cited
US1882130A
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US2080717A
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US2062946A
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US2343042A
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US2428774A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-30 | 1957-06-01 | 1957-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-30 | 1961-06-01 | 1961-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-30 | 1965-06-01 | 1965-12-01 | $7700.00 | Window Closed / Lapsed |