Patent US3010744A successfully refreshed from Google Patents.
US3010744A
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Assignee: Pittsburgh Forgings Co
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Filing: 1957-03-27
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Granted: 1961-11-28
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Expires: 1977-03-27
Abstract
No abstract record available.
Inventors
- 👤 Grady W Hollis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:34
CPC Classifications
A; A01; A01B; A01B39/00; A01B39/20; A01B39/22; A01B35/00; A01B35/20; A01B35/22; A01B35/225; F; F16; F16B; F16B2200/00; F16B2200/20; F16B2200/205
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-27 | 1965-05-29 | 1965-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-27 | 1969-05-29 | 1969-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-27 | 1973-05-29 | 1973-11-28 | $7700.00 | Window Closed / Lapsed |