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Patent US2641390A successfully refreshed from Google Patents.
US2641390A
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Assignee: Individual
•
Filing: 1950-10-19
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Granted: 1953-06-09
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Expires: 1970-10-19
Abstract
No abstract record available.
Inventors
- 👤 Frank Y Sherbondy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:36
CPC Classifications
A; A47; A47G; A47G25/00; A47G25/14; A47G25/20; Y; Y10; Y10T; Y10T24/00; Y10T24/34; Y10T24/3484; Y10T24/3485
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB190614617A
Cited
US1471433A
Cited
US1870737A
Cited
US2092253A
Cited
US2205841A
Cited
US2414186A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-06-08 | 1956-12-08 | 1957-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-08 | 1960-12-08 | 1961-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-08 | 1964-12-08 | 1965-06-09 | $7700.00 | Window Closed / Lapsed |