US2931888A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Welding
Assignee: Bendix Westinghouse Automotive Air Brake Co
•
Filing: 1957-03-08
•
Granted: 1960-04-05
•
Expires: 1977-03-08
Abstract
No abstract record available.
Inventors
- 👤 Joseph P Thome
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:53
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/002; B23K11/004; B23K11/0046; B23K11/0053; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/965
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US394892A
Cited
US1215965A
Cited
US1489640A
Cited
US1739691A
Cited
US2167285A
Cited
US2127685A
Cited
US2355444A
Cited
US2477430A
Cited
US2387905A
Cited
US2623974A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-04-05 | 1963-10-05 | 1964-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-04-05 | 1967-10-05 | 1968-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-04-05 | 1971-10-05 | 1972-04-05 | $7700.00 | Window Closed / Lapsed |