Patent US2519527A successfully refreshed from Google Patents.
US2689372A
Expired / Lapsed
US
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Apparatus for heating and cooling laminates
Assignee: Goodyear Aircraft Corp
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Filing: 1950-11-24
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Granted: 1954-09-21
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Expires: 1970-11-24
Abstract
No abstract record available.
Inventors
- 👤 Jr Albert Goulding
- 👤 John C Bond
- 👤 Harold W Emrick
- 👤 John W Krosse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:26
CPC Classifications
B; B29; B29C; B29C33/00; B29C33/02; B29C33/04; B29C33/046; B29B; B29B13/00; B29C70/00; B29C70/04; B29C70/28; B29C70/30
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) | 1957-09-20 | 1958-03-22 | 1958-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-20 | 1962-03-22 | 1962-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-20 | 1966-03-22 | 1966-09-21 | $7700.00 | Window Closed / Lapsed |