US3532858A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermal window
Assignee: Compagnie de Saint Gobain SA
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Filing: 1967-09-11
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Granted: 1970-10-06
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Expires: 1987-09-11
Abstract
No abstract record available.
Inventors
- 👤 Hans Dieter Peetz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 13:12
CPC Classifications
H; H05; H05B; H05B3/00; H05B3/84; B; B60; B60J; B60J1/00; B60J1/02; B60S; B60S1/00; B60S1/02; B60S1/023; B60S1/026; B60S1/56; B60S1/58; B60S1/586; H05B2203/00; H05B2203/016
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2513993A
Cited
US2625640A
Cited
US2977450A
Cited
FR1264475A
Cited
US3288983A
Cited
FR1464585A
Cited
US3315217A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-05 | 1974-04-06 | 1974-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-05 | 1978-04-06 | 1978-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-05 | 1982-04-06 | 1982-10-06 | $7700.00 | Window Closed / Lapsed |