US2731932A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Petersen
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
2026-10-31 23:05
CPC Classifications
H; H01; H01R; H01R11/00; H01R11/11; H01R11/22; H01R11/24; B; B23; B23K; B23K37/00; B23K37/04; B23K37/0426; B23K37/0435; B25; B25B; B25B7/00; B25B7/02; B25B7/12; B25B7/123
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US170344A
Cited
US1093552A
Cited
US1426026A
Cited
US1781419A
Cited
US1900314A
Cited
US2280005A
Cited
US2521086A
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 |