US3082477A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plunger dies
Assignee: Adamant Laboratories Pty Ltd
•
Filing: 1960-11-07
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Granted: 1963-03-26
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Expires: 1980-11-07
Abstract
No abstract record available.
Inventors
- 👤 Jan F H Custers
- 👤 Henry B Dyer
- 👤 Bernard W Senior
- 👤 Peter T Wedepohl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:50
CPC Classifications
B; B01; B01J; B01J3/00; B01J3/06; B01J3/065; B30; B30B; B30B11/00; B30B11/004
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
IN COMBINATION, A PRESS AND A DIE, BETWEEN THE PLATENS OF THE PRESS, HAVING A BODY DEFINING A PRESSURE CHAMBER, THE BODY BEING DISHED ON OPPOSITE FACES, TWO OPPOSED PLUNGERS MOVABLE TO ENTER THE PRESSURE CHAMBER TO COMPRESS A CHARGE WITHIN IT BETWEEN THEM AND SUPPORTING MEANS FOR THAT PART OF EACH PLUNGER THAT PROTRUDES FROM THE BODY, EACH OF SUCH SUPPORTING MEANS CONSISTING IN A COLLAR SURROUNDING THAT PROTRUDING PART AND SUBSTANTIALLY COMPLEMENTAL TO THE DISHING OF THE BODY, LOCATED TO BE COMPRESSED BETWEEN THE BODY AND A PLATEN AND MADE OF A MATERIAL THAT UNDERGOES PLASTIC DEFORMATION AT THE PRESSURE TO BE APPLIED TO THE DIE AS WELL AS BEING CAPABLE OF EXERTING A SUSTAINED INWARD QUASI-HYDROSTATIC PRESSURE ON THE PLUNGER PERIPHERY.
Claim 2
Dependent Claim
124 words
IN COMBINATION, A PRESS AND A DIE, BETWEEN THE PLATENS OF THE PRESS, HAVING A BODY DEFINING A PRESSURE CHAMBER, THE BODY BEING DISHED ON OPPOSITE FACES, TWO OPPOSED PLUNGERS MOVABLE TO ENTER THE PRESSURE CHAMBER TO COMPRESS A CHARGE WITHIN IT BETWEEN THEM AND SUPPORTING MEANS FOR THAT PART OF EACH PLUNGER THAT PROTRUDES FROM THE BODY, EACH OF SUCH SUPPORTING MEANS CONSISTING IN A COLLAR SURROUNDING THAT PROTRUDING PART AND SUBSTANTIALLY COMPLEMENTAL TO THE DISHING OF THE BODY, LOCATED TO BE COMPRESSED BETWEEN THE BODY AND A PLATEN AND MADE OF A MATERIAL THAT UNDERGOES PLASTIC DEFORMATION AT THE PRESSURE TO BE APPLIED TO THE DIE AS WELL AS BEING CAPABLE OF EXERTING A SUSTAINED INWARD QUASI-HYDROSTATIC PRESSURE ON THE PLUNGER PERIPHERY.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-25 | 1966-09-24 | 1967-03-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-25 | 1970-09-24 | 1971-03-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-25 | 1974-09-24 | 1975-03-26 | $7700.00 | Window Closed / Lapsed |