US2612813A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Attaching means
Assignee: Individual
•
Filing: 1948-09-20
•
Granted: 1952-10-07
•
Expires: 1968-09-20
Abstract
No abstract record available.
Inventors
- 👤 Cohn Aaron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:27
CPC Classifications
F; F16; F16L; F16L3/00; F16L3/24; F16B; F16B5/00; F16B5/06; F24; F24F; F24F13/00; Y; Y10; Y10S; Y10S411/00; Y10S411/921; Y10S52/00; Y10S52/06; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49833; Y10T29/49863; Y10T29/49876
Claims Analysis
Total Claims: 0
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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) | 1955-10-07 | 1956-04-07 | 1956-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-07 | 1960-04-07 | 1960-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-07 | 1964-04-07 | 1964-10-07 | $7700.00 | Window Closed / Lapsed |