US2732450A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stevenson
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
2026-11-06 05:54
CPC Classifications
H; H01; H01H; H01H35/00; H01H35/24; H01H35/26; H01H35/2607; H01H35/2614; H01H35/2635; Y; Y10; Y10T; Y10T137/00; Y10T137/2713; Y10T137/2917; Y10T137/2931; Y10T137/2937
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2224957A
Cited
US2196522A
Cited
US2302923A
Cited
US2301613A
Cited
US2289108A
Cited
US2336887A
Cited
US2280262A
Cited
US2431674A
Cited
US2437846A
Cited
US2467509A
Cited
US2457467A
Cited
US2507065A
Cited
US2452379A
Cited
US2529688A
Cited
US2492261A
Cited
US2598446A
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 |