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US2621952A
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Assignee: Individual
•
Filing: 1950-03-31
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Granted: 1952-12-16
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Expires: 1970-03-31
Abstract
No abstract record available.
Inventors
- 👤 Arnold F Gander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:59
CPC Classifications
E; E05; E05C; E05C3/00; E05C3/12; E05C3/122; Y; Y10; Y10S; Y10S292/00; Y10S292/31; Y10S292/49; Y10S70/00; Y10S70/54; Y10T; Y10T292/00; Y10T292/08; Y10T292/1043; Y10T292/1051; Y10T292/1052; Y10T292/1055; Y10T292/1062; Y10T292/1075; Y10T292/1076
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2479921A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-16 | 1956-06-16 | 1956-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-16 | 1960-06-16 | 1960-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-16 | 1964-06-16 | 1964-12-16 | $7700.00 | Window Closed / Lapsed |