Patent JPS5714358A successfully refreshed from Google Patents.
US2037155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Control structure
Assignee: Individual
•
Filing: 1933-08-07
•
Granted: 1936-04-14
•
Expires: 1953-08-07
Abstract
No abstract record available.
Inventors
- 👤 William W Stuart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:43
CPC Classifications
G; G05; G05D; G05D23/00; G05D23/19; G05D23/275; G05D23/1927; G05D23/193; G05D23/1931
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) | 1939-04-14 | 1939-10-14 | 1940-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-04-14 | 1943-10-14 | 1944-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-04-14 | 1947-10-14 | 1948-04-14 | $7700.00 | Window Closed / Lapsed |