US2731822A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bargman
Assignee: —
•
Filing: —
•
Granted: 1956-01-24
•
Expires: 1973-01-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:18
CPC Classifications
E; E05; E05B; E05B85/00; E05B85/20; E05B85/24; E05B85/28; E05B15/00; E05B15/02; E05B15/0205; E05B15/024; E05B15/0245; Y; Y10; Y10S; Y10S292/00; Y10S292/24; Y10S292/55; Y10T; Y10T292/00; Y10T292/306; Y10T292/308; Y10T292/68; Y10T292/705; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5246; Y10T70/5296; Y10T70/5345
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2476332A
Cited
US2058163A
Cited
US2270559A
Cited
US2373237A
Cited
US2552815A
Cited
US2604345A
Cited
US2673757A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-23 | 1959-07-25 | 1960-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-23 | 1963-07-25 | 1964-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-23 | 1967-07-25 | 1968-01-24 | $7700.00 | Window Closed / Lapsed |