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US2621265A
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Assignee: Individual
•
Filing: 1949-11-22
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Granted: 1952-12-09
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Expires: 1969-11-22
Abstract
No abstract record available.
Inventors
- 👤 Sofronio B Alcoriza
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:35
CPC Classifications
H; H01; H01H; H01H21/00; H01H21/02; H01H21/18; H01H21/22; H01H21/24; H01H21/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US774896A
Cited
US2096069A
Cited
US2100426A
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US2128769A
Cited
US2141075A
Cited
US2210793A
Cited
US2463088A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-09 | 1956-06-09 | 1956-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-09 | 1960-06-09 | 1960-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-09 | 1964-06-09 | 1964-12-09 | $7700.00 | Window Closed / Lapsed |