US3129859A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Measuring dispenser with a gravity operated valve
Assignee: Individual
•
Filing: 1960-07-19
•
Granted: 1964-04-21
•
Expires: 1980-07-19
Abstract
No abstract record available.
Inventors
- 👤 Story F Chappell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:51
CPC Classifications
G; G01; G01F; G01F11/00; G01F11/10; G01F11/26; G01F11/262; G01F11/263; G01F11/265
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR365694A
Cited
FR402258A
Cited
US1710517A
Cited
US1773475A
Cited
US1990226A
Cited
US2141871A
Cited
US2368540A
Cited
US2718987A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |