Patent US3243988A successfully refreshed from Google Patents.
US3243988A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Frames of heavy machine tools particularly forging presses and the like
Assignee: Schloemann AG
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Filing: 1963-06-17
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Granted: 1966-04-05
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Expires: 1983-06-17
Abstract
No abstract record available.
Inventors
- 👤 Groos Horst Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:10
CPC Classifications
B; B21; B21J; B21J13/00; B21J13/04; B30; B30B; B30B15/00; B30B15/04; B30B15/048
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A FRAME FOR LARGE FORGING PRESSES AND THE LIKE, COMPRISING: COLUMNS EACH CONSISTING OF A STACK OF PARALLEL PLATES, TWO RETAINING PLATES FOR EACH STACK OF PARALLEL PLATES, THE RETAINING PLATES EXTENDING ACROSS OPPOSITE EDGES OF THE STACK PLATES, CLAMPING SCREWS HOLDING THE OPPOSITE RETAINING PLATES TOGETHER, THESE CLAMPING SCREWS BEING LOCATED OUTSIDE THE STACK OF PARALLEL PLATES, THICK FLANGES ON EACH RETAINING PLATE, ENGAGING ROUND THE EDGES
Claim 2
Dependent Claim
68 words
A FRAME FOR LARGE FORGING PRESSES AND THE LIKE, COMPRISING: COLUMNS EACH CONSISTING OF A STACK OF PARALLEL PLATES, TWO RETAINING PLATES FOR EACH STACK OF PARALLEL PLATES, THE RETAINING PLATES EXTENDING ACROSS OPPOSITE EDGES OF THE STACK PLATES, CLAMPING SCREWS HOLDING THE OPPOSITE RETAINING PLATES TOGETHER, THESE CLAMPING SCREWS BEING LOCATED OUTSIDE THE STACK OF PARALLEL PLATES, THICK FLANGES ON EACH RETAINING PLATE, ENGAGING ROUND THE EDGES
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) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |