Patent US3376808A successfully refreshed from Google Patents.
US3376808A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid-operated press
Assignee: BECKETT HARCUM CO
•
Filing: 1966-10-24
•
Granted: 1968-04-09
•
Expires: 1986-10-24
Abstract
No abstract record available.
Inventors
- 👤 Donald E Beckett
- 👤 Robin K Beckett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:53
CPC Classifications
B; B30; B30B; B30B1/00; B30B1/003; B21; B21D; B21D22/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
A FLUID-OPERATED PRESS COMPRISING IN COMBINATION: A PLATEN, AND MEANS GUIDING THE PLATEN FOR MOVEMENT BETWEEN A POSITION OF ADVANCEMENT, AND A RETRACTED HOME POSITION; A FLEXIBLE INFLATABLE PRIMARY BELLOWS OPERATIVE UPON THE MOVABLE PLATEN FOR ADVANCING SAID PLATEN UPON INTRODUCTION OF FLUID UNDER PRESSURE INTO SAID PRIMARY BELLOWS; A FLEXIBLE INFLATABLE SECONDARY BELLOWS OPERATIVE UPON THE MOVABLE PLATEN TO RETURN SAID PLATEN TO HOME POSITION; AND CONTROL MEANS FOR SELECTIVELY DIRECTING PRESSURIZED INFLATING FLUID INTO EITHER OF SAID BELLOWS WHILE THE OTHER OF SAID BELLOWS DEFLATES INCIDENT TO THE EXHAUSTING OF FLUID FROM SAID OTHER BELLOWS.
Claim 2
Dependent Claim
97 words
A FLUID-OPERATED PRESS COMPRISING IN COMBINATION: A PLATEN, AND MEANS GUIDING THE PLATEN FOR MOVEMENT BETWEEN A POSITION OF ADVANCEMENT, AND A RETRACTED HOME POSITION; A FLEXIBLE INFLATABLE PRIMARY BELLOWS OPERATIVE UPON THE MOVABLE PLATEN FOR ADVANCING SAID PLATEN UPON INTRODUCTION OF FLUID UNDER PRESSURE INTO SAID PRIMARY BELLOWS; A FLEXIBLE INFLATABLE SECONDARY BELLOWS OPERATIVE UPON THE MOVABLE PLATEN TO RETURN SAID PLATEN TO HOME POSITION; AND CONTROL MEANS FOR SELECTIVELY DIRECTING PRESSURIZED INFLATING FLUID INTO EITHER OF SAID BELLOWS WHILE THE OTHER OF SAID BELLOWS DEFLATES INCIDENT TO THE EXHAUSTING OF FLUID FROM SAID OTHER BELLOWS.
References Cited (Backward Citations)
DE179263C
Cited
US877139A
Cited
US2246021A
Cited
US2240630A
Cited
US2302132A
Cited
US2411043A
Cited
US2869173A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-09 | 1971-10-09 | 1972-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-09 | 1975-10-09 | 1976-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-09 | 1979-10-09 | 1980-04-09 | $7700.00 | Window Closed / Lapsed |