US1337367A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-temperature thermostat
Assignee: Johnson Service Co
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Filing: 1915-02-11
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Granted: 1920-04-20
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Expires: 1935-02-11
Abstract
No abstract record available.
Inventors
- 👤 Arthur J Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:44
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/01; G05D23/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1923-04-20 | 1923-10-20 | 1924-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-04-20 | 1927-10-20 | 1928-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-04-20 | 1931-10-20 | 1932-04-20 | $7700.00 | Window Closed / Lapsed |