US3465387A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two-stage clamping machine
Assignee: Improved Machinery Inc
•
Filing: 1967-06-12
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Granted: 1969-09-09
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Expires: 1987-06-12
Abstract
No abstract record available.
Inventors
- 👤 Harrie Martin Allard
- 👤 Helmut Gerhard Hoeschel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:32
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/64; B29C45/67; B29C45/6707; B29C45/6714; B29C45/6728; B22; B22D; B22D17/00; B22D17/20; B22D17/22; B22D17/24; B29C45/1748; B29C45/84
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2916768A
Cited
US2862238A
Cited
US2976569A
Cited
US3120039A
Cited
US3208105A
Cited
US3310841A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-08 | 1973-03-10 | 1973-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-08 | 1977-03-10 | 1977-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-08 | 1981-03-10 | 1981-09-09 | $7700.00 | Window Closed / Lapsed |