US2831604A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dispensing mechanism
Assignee: Individual
•
Filing: 1953-08-21
•
Granted: 1958-04-22
•
Expires: 1973-08-21
Abstract
No abstract record available.
Inventors
- 👤 Wayne E Sloyer
- 👤 Jr Arthur W Sloyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 20:45
CPC Classifications
G; G07; G07F; G07F11/00; G07F11/02; G07F11/38; G07F11/40
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US443365A
Cited
US2260734A
Cited
US1882841A
Cited
US2104034A
Cited
US2174712A
Cited
US2284931A
Cited
US2272750A
Cited
US2336382A
Cited
US2332214A
Cited
US2637612A
Cited
US2619399A
Cited
US2661992A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-21 | 1961-10-21 | 1962-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-21 | 1965-10-21 | 1966-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-21 | 1969-10-21 | 1970-04-22 | $7700.00 | Window Closed / Lapsed |