US2532013A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Buffer
Assignee: W H MINER Inc
•
Filing: 1945-06-04
•
Granted: 1950-11-28
•
Expires: 1965-06-04
Abstract
No abstract record available.
Inventors
- 👤 George E Dath
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:44
CPC Classifications
B; B61; B61G; B61G11/00; B61G11/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1096120A
Cited
GB237871A
Cited
GB239807A
Cited
GB385417A
Cited
US2146015A
Cited
US2216473A
Cited
US2197783A
Cited
US2430494A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-27 | 1954-05-29 | 1954-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-27 | 1958-05-29 | 1958-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-27 | 1962-05-29 | 1962-11-28 | $7700.00 | Window Closed / Lapsed |