US2323950A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Proportional feeder
Assignee: Individual
•
Filing: 1940-05-14
•
Granted: 1943-07-13
•
Expires: 1960-05-14
Abstract
No abstract record available.
Inventors
- 👤 John B Wade
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:27
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/68; C02F1/685; C02F1/686; F; F04; F04B; F04B43/00; F04B43/0009; F04B43/0081; F04B43/009; F04B43/02; F04B43/06; F04B43/067; F04B49/00; F04B49/12; F04B53/00; F04B53/10; F04B53/1037; F04B53/1047; F04B53/106; F04B53/1062; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2101; Y10T74/2107
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) | 1946-07-12 | 1947-01-11 | 1947-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-07-12 | 1951-01-11 | 1951-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-07-12 | 1955-01-11 | 1955-07-13 | $7700.00 | Window Closed / Lapsed |