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US2111663A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Feed regulator control means
Assignee: Individual
•
Filing: 1935-06-04
•
Granted: 1938-03-22
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Expires: 1955-06-04
Abstract
No abstract record available.
Inventors
- 👤 Graemiger Benjamin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:21
CPC Classifications
B; B02; B02C; B02C25/00
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) | 1941-03-21 | 1941-09-20 | 1942-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-03-21 | 1945-09-20 | 1946-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-03-21 | 1949-09-20 | 1950-03-22 | $7700.00 | Window Closed / Lapsed |