US3435189A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermostatic control system for water heater tanks or the like
Assignee: SIEGFRIED E MANECKE
•
Filing: 1965-06-28
•
Granted: 1969-03-25
•
Expires: 1985-06-28
Abstract
No abstract record available.
Inventors
- 👤 Siegfried E Manecke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:58
CPC Classifications
H; H05; H05B; H05B1/00; H05B1/02; H05B1/0202; H05B1/0213; H01; H01H; H01H37/00; H01H37/02; H01H37/32; H01H37/52; H01H37/54; H01H89/00; H01H89/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1892557A
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US2380545A
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US2386949A
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US2538080A
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US3246119A
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US3238337A
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US3329800A
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US3272946A
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US3254796A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-03-24 | 1972-09-23 | 1973-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-03-24 | 1976-09-23 | 1977-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-03-24 | 1980-09-23 | 1981-03-25 | $7700.00 | Window Closed / Lapsed |