US2921605A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dispensing valve unit
Assignee: Individual
•
Filing: 1958-06-10
•
Granted: 1960-01-19
•
Expires: 1978-06-10
Abstract
No abstract record available.
Inventors
- 👤 Jack J Booth
- 👤 William C Branch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:48
CPC Classifications
B; B67; B67D; B67D1/00; B67D1/0042; B67D1/0081; B67D1/0082; B67D1/0083; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87056; Y10T137/87096; Y10T137/87571; Y10T137/87676; Y10T137/87684; Y10T137/87692
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1603082A
Cited
US1640945A
Cited
US2498121A
Cited
US2645246A
Cited
US2597093A
Cited
US2675018A
Cited
US2678064A
Cited
US2674264A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-01-18 | 1963-07-20 | 1964-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-01-18 | 1967-07-20 | 1968-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-01-18 | 1971-07-20 | 1972-01-19 | $7700.00 | Window Closed / Lapsed |