US2566756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1945-03-23
•
Granted: 1951-09-04
•
Expires: 1965-03-23
Abstract
No abstract record available.
Inventors
- 👤 Oscar Z Wiseman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:04
CPC Classifications
B; B07; B07C; B07C5/00; B07C5/04; B07C5/06; B07C5/065; Y; Y10; Y10S; Y10S209/00; Y10S209/922; Y10S209/929
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1031403A
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US2409682A
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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) | 1954-09-03 | 1955-03-05 | 1955-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-03 | 1959-03-05 | 1959-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-03 | 1963-03-05 | 1963-09-04 | $7700.00 | Window Closed / Lapsed |