Patent US5264268B1 successfully refreshed from Google Patents.
US2722809A
Expired / Lapsed
US
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Assignee: Individual
•
Filing: 1950-01-27
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Granted: 1955-11-08
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Expires: 1970-01-27
Abstract
No abstract record available.
Inventors
- 👤 Willard L Morrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:24
CPC Classifications
F; F25; F25D; F25D17/00; F25D17/04; F25D17/042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2091159A
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US2090413A
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US2296997A
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US2323354A
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US2485115A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-07 | 1959-05-09 | 1959-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-07 | 1963-05-09 | 1963-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-07 | 1967-05-09 | 1967-11-08 | $7700.00 | Window Closed / Lapsed |