US2859322A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminated heating structure
Assignee: Curtiss Wright Corp
•
Filing: 1956-07-19
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Granted: 1958-11-04
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Expires: 1976-07-19
Abstract
No abstract record available.
Inventors
- 👤 Frederick P Glazier
- 👤 Joseph H Newman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:41
CPC Classifications
F; F24; F24D; F24D13/00; F24D13/02; B; B29; B29C; B29C70/00; B32; B32B; B32B27/00; H; H05; H05B; H05B3/00; B29K; B29K2309/00; B29K2309/08; Y; Y02; Y02B; Y02B30/00
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) | 1961-11-03 | 1962-05-05 | 1962-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-03 | 1966-05-05 | 1966-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-03 | 1970-05-05 | 1970-11-04 | $7700.00 | Window Closed / Lapsed |