US3298267A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Punch press having means to change lengths of the ram
Assignee: Individual
•
Filing: 1965-04-07
•
Granted: 1967-01-17
•
Expires: 1985-04-07
Abstract
No abstract record available.
Inventors
- 👤 Schmid Heinrich
- 👤 Bernet Alois
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:27
CPC Classifications
B; B30; B30B; B30B15/00; B30B15/0029; B30B15/06; Y; Y10; Y10T; Y10T83/00; Y10T83/869; Y10T83/8696; Y10T83/87; Y10T83/8821; Y10T83/8858
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
132 words
A PRESS WITH A STATIONARY FRAME AND A HYDRAULICALLYOPERATED PRESS RAM FOR CARRYING A MATRIX, A PUNCH, OR A PRESS TOOL, THE PRESS RAM BEING DIVIDED INTO AT LEAST TWO PARTS, WHICH ARE ADJUSTABLE FOR VARYING THE LENGTH OF THE PRESS RAM, COMPRISING FIRST HYDRAULIC MEANS ACTING BETWEEN THE TWO PARTS OF THE PRESS RAM FOR HYDRAULICALLY ADJUSTING AND HYDRAULICALLY FIXING THEM WITH RESPECT TO ONE ANOTHER, SECOND HYDRAULIC MEANS ACTING BETWEEN ONE OF SAID PARTS OF THE PRESS RAM AND THE STATIONARY FRAME FOR MOVING THE TWO PARTS OF THE PRESS RAM AS A WHOLE, AND CO-OPERATING AND ADJUSTABLE ABUTMENT AND SWITCH MEANS ARRANGED ON THE TWO PARTS OF THE PRESS RAM, RESPECTIVELY, THE SWITCH MEANS AUTOMATICALLY CONTROLLING AND MAINTAINING THE AMOUNT OF A HYDRAULIC MEDIUM IN SAID FIRST HYDRAULIC MEANS.
Claim 2
Dependent Claim
132 words
A PRESS WITH A STATIONARY FRAME AND A HYDRAULICALLYOPERATED PRESS RAM FOR CARRYING A MATRIX, A PUNCH, OR A PRESS TOOL, THE PRESS RAM BEING DIVIDED INTO AT LEAST TWO PARTS, WHICH ARE ADJUSTABLE FOR VARYING THE LENGTH OF THE PRESS RAM, COMPRISING FIRST HYDRAULIC MEANS ACTING BETWEEN THE TWO PARTS OF THE PRESS RAM FOR HYDRAULICALLY ADJUSTING AND HYDRAULICALLY FIXING THEM WITH RESPECT TO ONE ANOTHER, SECOND HYDRAULIC MEANS ACTING BETWEEN ONE OF SAID PARTS OF THE PRESS RAM AND THE STATIONARY FRAME FOR MOVING THE TWO PARTS OF THE PRESS RAM AS A WHOLE, AND CO-OPERATING AND ADJUSTABLE ABUTMENT AND SWITCH MEANS ARRANGED ON THE TWO PARTS OF THE PRESS RAM, RESPECTIVELY, THE SWITCH MEANS AUTOMATICALLY CONTROLLING AND MAINTAINING THE AMOUNT OF A HYDRAULIC MEDIUM IN SAID FIRST HYDRAULIC MEANS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |