US3442114A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Body panel flange bending air hammer attachment
Assignee: THOMAS M SNOWDEN
•
Filing: 1966-12-13
•
Granted: 1969-05-06
•
Expires: 1986-12-13
Abstract
No abstract record available.
Inventors
- 👤 Thomas M Snowden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:19
CPC Classifications
B; B21; B21D; B21D39/00; B21D39/02; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53709; Y10T29/53787; Y10T29/53791
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1283799A
Cited
US1808452A
Cited
US2233937A
Cited
US2810420A
Cited
US2877820A
Cited
US3188729A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-05-05 | 1972-11-04 | 1973-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-05-05 | 1976-11-04 | 1977-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-05-05 | 1980-11-04 | 1981-05-06 | $7700.00 | Window Closed / Lapsed |