US3468747A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature sensitive adhesive sheet material with an electric heat generating grid embedded therein
Assignee: Whittaker Corp
•
Filing: 1965-04-28
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Granted: 1969-09-23
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Expires: 1985-04-28
Abstract
No abstract record available.
Inventors
- 👤 Robert E Tatnall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 05:48
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/307; H01B1/00; H01B1/20; H01B1/22; H01B3/48; H01B3/50; Y; Y10; Y10T; Y10T442/00; Y10T442/10; Y10T442/102; Y10T442/109; Y10T442/116
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB189708398A
Cited
US2393100A
Cited
US2710909A
Cited
US2884509A
Cited
US2900290A
Cited
US2938992A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-22 | 1973-03-24 | 1973-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-22 | 1977-03-24 | 1977-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-22 | 1981-03-24 | 1981-09-23 | $7700.00 | Window Closed / Lapsed |