US3067915A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid dispensing devices
Assignee: MICROCHEMICAL SPECIALTIES CO
•
Filing: 1960-05-23
•
Granted: 1962-12-11
•
Expires: 1980-05-23
Abstract
No abstract record available.
Inventors
- 👤 Justin J Shapiro
- 👤 Charles E Camenson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:29
CPC Classifications
B; B01; B01L; B01L3/00; B01L3/02; B01L3/0203; B01L3/0206
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB191205993A
Cited
US2096461A
Cited
US2445279A
Cited
GB615855A
Cited
US2521433A
Cited
US2606696A
Cited
US2798647A
Cited
US2837239A
Cited
US2881810A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-10 | 1966-06-11 | 1966-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-10 | 1970-06-11 | 1970-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-10 | 1974-06-11 | 1974-12-11 | $7700.00 | Window Closed / Lapsed |