US3500897A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air temperature control system
Assignee: Robert Bosch Hausgeraete GmbH
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Filing: 1968-05-20
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Granted: 1970-03-17
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Expires: 1988-05-20
Abstract
No abstract record available.
Inventors
- 👤 Hans-Ludwig Von Cube
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:46
CPC Classifications
F; F25; F25B; F25B27/00; F25B27/02; B; B60; B60H; B60H1/00; B60H1/00007; F24; F24F; F24F5/00; F25B1/00; F25B1/06; F25B1/08; Y; Y02; Y02A; Y02A30/00; Y02A30/27; Y02A30/274
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) | 1973-03-16 | 1973-09-15 | 1974-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-16 | 1977-09-15 | 1978-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-16 | 1981-09-15 | 1982-03-17 | $7700.00 | Window Closed / Lapsed |