US2813442A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Crimping tool for tube fittings
Assignee: Individual
•
Filing: 1955-07-21
•
Granted: 1957-11-19
•
Expires: 1975-07-21
Abstract
No abstract record available.
Inventors
- 👤 Joseph W Wingate
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:47
CPC Classifications
B; B21; B21D; B21D39/00; B21D39/04; B21D39/046; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49909; Y10T29/49913; Y10T29/49925; Y10T29/49927; Y10T29/49929; Y10T29/53; Y10T29/5367
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
AU30226A
Cited
US1619064A
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US1603921A
Cited
US1753963A
Cited
US1809126A
Cited
US1880246A
Cited
US2095310A
Cited
US2197099A
Cited
US2337362A
Cited
GB722278A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-11-18 | 1961-05-20 | 1961-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-18 | 1965-05-20 | 1965-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-18 | 1969-05-20 | 1969-11-19 | $7700.00 | Window Closed / Lapsed |