US1161932A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic control of machinery.
Assignee: CROCKER-WHEELER Co
•
Filing: 1912-10-10
•
Granted: 1915-11-30
•
Expires: 1932-10-10
Abstract
No abstract record available.
Inventors
- 👤 Delafield Du Bois
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:33
CPC Classifications
H; H02; H02P; H02P3/00; H02P3/06; H02P3/18; H02P3/20
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) | 1918-11-29 | 1919-05-31 | 1919-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-11-29 | 1923-05-31 | 1923-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-11-29 | 1927-05-31 | 1927-11-30 | $7700.00 | Window Closed / Lapsed |