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US3476291A
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Method and apparatus for dispensing measured quantities of liquids
Assignee: BERKELEY SCIENT LAB Inc
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Filing: 1968-06-13
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Granted: 1969-11-04
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Expires: 1988-06-13
Abstract
No abstract record available.
Inventors
- 👤 Donald A Glaser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:07
CPC Classifications
B; B67; B67D; B67D1/00; B67D1/08; B67D1/12; B67D1/1202; B67D1/1234
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US705691A
Cited
US1958406A
Cited
US1969379A
Cited
US2859129A
Cited
SU147337A1
Cited
US3087332A
Cited
US3373437A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-03 | 1973-05-05 | 1973-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-03 | 1977-05-05 | 1977-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-03 | 1981-05-05 | 1981-11-04 | $7700.00 | Window Closed / Lapsed |