US2724029A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Close limit thermostatic temperature control
Assignee: Individual
•
Filing: 1953-05-28
•
Granted: 1955-11-15
•
Expires: 1973-05-28
Abstract
No abstract record available.
Inventors
- 👤 Robert I Barnes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:44
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/19; G05D23/275; G05D23/27535; G05D23/2754
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1259577A
Cited
US1826488A
Cited
US2152843A
Cited
US2113227A
Cited
US2231212A
Cited
US2332985A
Cited
US2558610A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-11-14 | 1959-05-16 | 1959-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-11-14 | 1963-05-16 | 1963-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-11-14 | 1967-05-16 | 1967-11-15 | $7700.00 | Window Closed / Lapsed |