US2015855A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic control system
Assignee: Bristol Co
•
Filing: 1934-09-27
•
Granted: 1935-10-01
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Expires: 1954-09-27
Abstract
No abstract record available.
Inventors
- 👤 William J Kerr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:28
CPC Classifications
B; B29; B29C; B29C35/00; B29C35/02; B29C35/0288; B29C35/0294; B29K; B29K2021/00; B29K2105/00; B29K2105/24
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) | 1938-09-30 | 1939-04-01 | 1939-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-09-30 | 1943-04-01 | 1943-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-09-30 | 1947-04-01 | 1947-10-01 | $7700.00 | Window Closed / Lapsed |