US1058874A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature-regulating apparatus.
Assignee: NATIONAL REGULATOR Co
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Filing: 1909-09-21
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Granted: 1913-04-15
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Expires: 1929-09-21
Abstract
No abstract record available.
Inventors
- 👤 John M Larson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:52
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/01; G05D23/02; G05D23/024
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) | 1916-04-14 | 1916-10-14 | 1917-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1920-04-14 | 1920-10-14 | 1921-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1924-04-14 | 1924-10-14 | 1925-04-15 | $7700.00 | Window Closed / Lapsed |