US3207066A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-contained stamping hammer
Assignee: Pannier Corp
•
Filing: 1963-03-22
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Granted: 1965-09-21
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Expires: 1983-03-22
Abstract
No abstract record available.
Inventors
- 👤 Roger H Gartside
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:09
CPC Classifications
B; B21; B21J; B21J7/00; B21J7/20; B21J7/22; B21J7/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
A STAMPING HAMMER CONSISTING OF A HOUSING HAVING A CENTRAL PORTION WITH A UNIFORM CENTRAL BORE DEFINED BETWEEN FRONT AND REAR END PORTIONS EACH WITH A SMALLER BORE, A CYLINDER EXTENDING THROUGH SAID HOUSING AND HAVING A SLIDABLE FIT IN SAID SMALLER BORES OF SAID END PORTIONS AND HAVING A BORE, A PERIMETRAL PISTON SECURED TO SAID CYLINDER AND OPERATIVE WITHIN SAID CENTRAL BORE, A REAR HEAD CLOSING SAID CYLINDER AND TO ENGAGE SAID REAR END PORTION OF SAID HOUSING AND LIMIT THE FOR WARD MOVEMENT OF SAID CYLINDER, A FRONT HEAD ON SAID CYLINDER CLOSING THE FRONT THEREOF, A STAMP HEAD MOVABLY FASTENED TO THE OUTER END OF SAID FRONT HEAD, A PLUNGER SLIDABLY MOUNTED TO EXTEND THROUGH SAID FRONT HEAD AND HAVING A STRIKING PORTION IN SAID CYLINDER AND AN ARCUATE END ENGAGING SAID STAMP HEAD TO STRIKE SAID STAMP HEAD
Claim 2
Dependent Claim
143 words
A STAMPING HAMMER CONSISTING OF A HOUSING HAVING A CENTRAL PORTION WITH A UNIFORM CENTRAL BORE DEFINED BETWEEN FRONT AND REAR END PORTIONS EACH WITH A SMALLER BORE, A CYLINDER EXTENDING THROUGH SAID HOUSING AND HAVING A SLIDABLE FIT IN SAID SMALLER BORES OF SAID END PORTIONS AND HAVING A BORE, A PERIMETRAL PISTON SECURED TO SAID CYLINDER AND OPERATIVE WITHIN SAID CENTRAL BORE, A REAR HEAD CLOSING SAID CYLINDER AND TO ENGAGE SAID REAR END PORTION OF SAID HOUSING AND LIMIT THE FOR WARD MOVEMENT OF SAID CYLINDER, A FRONT HEAD ON SAID CYLINDER CLOSING THE FRONT THEREOF, A STAMP HEAD MOVABLY FASTENED TO THE OUTER END OF SAID FRONT HEAD, A PLUNGER SLIDABLY MOUNTED TO EXTEND THROUGH SAID FRONT HEAD AND HAVING A STRIKING PORTION IN SAID CYLINDER AND AN ARCUATE END ENGAGING SAID STAMP HEAD TO STRIKE SAID STAMP HEAD
References Cited (Backward Citations)
US2981176A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |