US2197284A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Operating mechanism for dispensing devices
Assignee: Individual
•
Filing: 1938-11-14
•
Granted: 1940-04-16
•
Expires: 1958-11-14
Abstract
No abstract record available.
Inventors
- 👤 Philip A Wooster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:33
CPC Classifications
A; A47; A47K; A47K10/00; A47K10/24; A47K10/32; A47K10/34; A47K10/38; A47K10/36; A47K10/3631; A47K10/3637; Y; Y10; Y10T; Y10T225/00; Y10T225/20; Y10T225/202; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20636
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) | 1943-04-16 | 1943-10-16 | 1944-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-04-16 | 1947-10-16 | 1948-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-04-16 | 1951-10-16 | 1952-04-16 | $7700.00 | Window Closed / Lapsed |