Patent US1754940A successfully refreshed from Google Patents.
Patent US2995777A successfully refreshed from Google Patents.
US2995777A
Expired / Lapsed
US
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Machine for prestressing and molding reinforced plastic members
Assignee: Studebaker Packard Corp
•
Filing: 1956-06-04
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Granted: 1961-08-15
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Expires: 1976-06-04
Abstract
No abstract record available.
Inventors
- 👤 Elmer P Warnken
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:29
CPC Classifications
B; B29; B29D; B29D99/00; B29D99/0025; B29C; B29C45/00; B29C45/14; B29C45/14336; B29C45/14426; B29C45/17; B29C45/46; B29C45/58; B29C45/586; B29C70/00; B29C70/04; B29C70/06; B29C70/10; B29C70/16; B29C70/20; B29C70/28; B29C70/40; B29C70/42; B29C70/46; B29C70/48; B29C70/54; B29C70/56; B29C45/1418; B29C45/14262; B29L; B29L2031/00; B29L2031/08
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) | 1964-08-14 | 1965-02-13 | 1965-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-14 | 1969-02-13 | 1969-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-14 | 1973-02-13 | 1973-08-15 | $7700.00 | Window Closed / Lapsed |