US2908948A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closure sealing mechanism
Assignee: AO Smith Corp
•
Filing: 1958-01-03
•
Granted: 1959-10-20
•
Expires: 1978-01-03
Abstract
No abstract record available.
Inventors
- 👤 James F Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:10
CPC Classifications
B; B62; B62D; B62D25/00; B62D25/04; B60; B60J; B60J10/00; B60J10/20; B60J10/24; B60J10/244; E; E06; E06B; E06B7/00; E06B7/16; E06B7/22; E06B7/23; E06B7/2318
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2104144A
Cited
US2757225A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-19 | 1963-04-20 | 1963-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-19 | 1967-04-20 | 1967-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-19 | 1971-04-20 | 1971-10-20 | $7700.00 | Window Closed / Lapsed |