US2671935A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Weather welt
Assignee: WELD O WELT CORP
•
Filing: 1949-02-07
•
Granted: 1954-03-16
•
Expires: 1969-02-07
Abstract
No abstract record available.
Inventors
- 👤 Robert H Flues
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:53
CPC Classifications
B; B60; B60J; B60J10/00; B60J10/80; B60J10/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR794152A
Cited
US2237059A
Cited
US2161648A
Cited
US2219382A
Cited
US2146090A
Cited
US2273182A
Cited
GB552198A
Cited
US2603528A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-15 | 1957-09-14 | 1958-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-15 | 1961-09-14 | 1962-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-15 | 1965-09-14 | 1966-03-16 | $7700.00 | Window Closed / Lapsed |