US2627766A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anvil and stripper for punching and riveting machines
Assignee: Engineering & Res Corp
•
Filing: 1947-07-25
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Granted: 1953-02-10
•
Expires: 1967-07-25
Abstract
No abstract record available.
Inventors
- 👤 Lee L Marchant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 23:15
CPC Classifications
B; B21; B21D; B21D22/00; B21D22/02; B21D22/04; B21J; B21J15/00; B21J15/02; B21J15/10; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49833; Y10T29/49835; Y10T29/49908; Y10T29/49938; Y10T29/53; Y10T29/53991
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US84039A
Cited
US2069042A
Cited
GB511806A
Cited
US2356526A
Cited
US2288378A
Cited
US2441790A
Cited
US2432804A
Cited
US2438837A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-10 | 1956-08-11 | 1957-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-10 | 1960-08-11 | 1961-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-10 | 1964-08-11 | 1965-02-10 | $7700.00 | Window Closed / Lapsed |