Patent US3098261A successfully refreshed from Google Patents.
US3098261A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Powdered metal compacting press
Assignee: Cincinnati Shaper Co
•
Filing: 1961-01-06
•
Granted: 1963-07-23
•
Expires: 1981-01-06
Abstract
No abstract record available.
Inventors
- 👤 John J Littley
- 👤 Burns Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:22
CPC Classifications
B; B22; B22F; B22F7/00; B22F7/02; B22F7/04; B22F3/00; B22F3/004; B22F3/02; B22F3/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
A COMPACTING PRESS FOR COMPACTING POWDERED MATERIAL INTO A FINISHED PRODUCT OF ARCUATE FORM, COMPRISING AN ECCENTRIC DRIVEN RAM, A CURVED UPPER PUNCH SECURED TO SAID RAM, A DIE TABLE CURVED TO AN ARC APPROXIMATELY EQUAL TO THE DESIRED ARC OF THE FINISHED PRODUCT, A DIE MOUNTED IN SAID TABLE, A CURVED LOWER PUNCH ADAPTED TO BE RECIPROCATED WITHIN SAID DIE, MEANS FOR RECIPROCATING SAID LOWER PUNCH, FEEDER MEANS MOUNTED FOR ARCUATE TRAVEL OVER SAID CURVED DIE TABLE AND DIE, AND MEANS FOR EFFECTING THE ARCUATE TRAVEL OF SAID FEEDER MEANS, SAID FEEDER MEANS THUS FILLING SAID DIE WITH SAID POWDERED MATERIAL AND LEAVING A CURVED TOP SURFACE ON SAID POWDERED MATERIAL PRIOR TO COMPACTING BETWEEN SAID CURVED UPPER AND LOWER PUNCHES.
Claim 2
Dependent Claim
122 words
A COMPACTING PRESS FOR COMPACTING POWDERED MATERIAL INTO A FINISHED PRODUCT OF ARCUATE FORM, COMPRISING AN ECCENTRIC DRIVEN RAM, A CURVED UPPER PUNCH SECURED TO SAID RAM, A DIE TABLE CURVED TO AN ARC APPROXIMATELY EQUAL TO THE DESIRED ARC OF THE FINISHED PRODUCT, A DIE MOUNTED IN SAID TABLE, A CURVED LOWER PUNCH ADAPTED TO BE RECIPROCATED WITHIN SAID DIE, MEANS FOR RECIPROCATING SAID LOWER PUNCH, FEEDER MEANS MOUNTED FOR ARCUATE TRAVEL OVER SAID CURVED DIE TABLE AND DIE, AND MEANS FOR EFFECTING THE ARCUATE TRAVEL OF SAID FEEDER MEANS, SAID FEEDER MEANS THUS FILLING SAID DIE WITH SAID POWDERED MATERIAL AND LEAVING A CURVED TOP SURFACE ON SAID POWDERED MATERIAL PRIOR TO COMPACTING BETWEEN SAID CURVED UPPER AND LOWER PUNCHES.
References Cited (Backward Citations)
US532186A
Cited
US532500A
Cited
US661236A
Cited
US819005A
Cited
US835737A
Cited
US994349A
Cited
US1599085A
Cited
US2145096A
Cited
US2275592A
Cited
US2350971A
Cited
US2482342A
Cited
US2675584A
Cited
US2900664A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-22 | 1967-01-21 | 1967-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-22 | 1971-01-21 | 1971-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-22 | 1975-01-21 | 1975-07-23 | $7700.00 | Window Closed / Lapsed |