Patent US2552958A successfully refreshed from Google Patents.
US2552958A
Expired / Lapsed
US
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Shearing machine
Assignee: Individual
•
Filing: 1948-11-08
•
Granted: 1951-05-15
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Expires: 1968-11-08
Abstract
No abstract record available.
Inventors
- 👤 Von B Graham
- 👤 Kenneth E Graham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:13
CPC Classifications
B; B28; B28D; B28D1/00; B28D1/22; B28D1/222; Y; Y10; Y10T; Y10T83/00; Y10T83/869; Y10T83/8717; Y10T83/8821; Y10T83/8858; Y10T83/8866
Claims Analysis
Total Claims: 0
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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) | 1954-05-14 | 1954-11-13 | 1955-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-05-14 | 1958-11-13 | 1959-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-05-14 | 1962-11-13 | 1963-05-15 | $7700.00 | Window Closed / Lapsed |