US3522722A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wing bending machine
Assignee: Schiefler Tool and Engineering Inc
•
Filing: 1966-08-12
•
Granted: 1970-08-04
•
Expires: 1986-08-12
Abstract
No abstract record available.
Inventors
- 👤 Otis Ward Goff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:37
CPC Classifications
B; B21; B21D; B21D5/00; B21D5/04; B21D5/042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2132569A
Cited
US2569181A
Cited
US2765020A
Cited
US2963066A
Cited
US3192759A
Cited
US3276409A
Cited
US3301034A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-03 | 1974-02-02 | 1974-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-03 | 1978-02-02 | 1978-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-03 | 1982-02-02 | 1982-08-04 | $7700.00 | Window Closed / Lapsed |