US3581373A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Riveting device
Assignee: Dresser Industries Inc
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Filing: 1968-12-20
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Granted: 1971-06-01
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Expires: 1988-12-20
Abstract
Abstract A RIVETING DEVICE INCLUDING A YOKE TO EXTEND AROUND WORK PIECES TO BE RIVETED, A PRESSURE ACTUATED CLAMP AND A PRESSURE ACTUATED RIVET FORMER, THE PRESSURE ACTUATED CLAMP AND RIVET FORMER BEING SECURED TO ONE SIDE OF SAID YOKE AND ACTUATING AGAINST THE OTHER SIDE OF SAID YOKE.
Inventors
- 👤 Henry W Murdoch
- 👤 Martin D Hoza
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 01:51
CPC Classifications
B; B21; B21J; B21J15/00; B21J15/10; B21J15/16; B21J15/22; B21J15/02; B21J15/105; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53709; Y10T29/5377; Y10T29/53774; Y10T29/53961
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-05-31 | 1974-11-30 | 1975-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-31 | 1978-11-30 | 1979-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-31 | 1982-11-30 | 1983-06-01 | $7700.00 | Window Closed / Lapsed |