US2446643A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Selective control system for dispensing apparatus
Assignee: Individual
•
Filing: 1942-03-13
•
Granted: 1948-08-10
•
Expires: 1962-03-13
Abstract
No abstract record available.
Inventors
- 👤 Paul M Farmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:14
CPC Classifications
B; B65; B65G; B65G1/00; B65G1/02; B65G1/04; B65G1/137; B65G1/1373
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2053749A
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US2013012A
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US2189001A
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US2282164A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-08-10 | 1952-02-09 | 1952-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-10 | 1956-02-09 | 1956-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-10 | 1960-02-09 | 1960-08-10 | $7700.00 | Window Closed / Lapsed |