US3544281A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laboratory equipment including novel connector means for tubular glass members
Assignee: EDWIN D PHILLIPS
•
Filing: 1967-12-14
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Granted: 1970-12-01
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Expires: 1987-12-14
Abstract
No abstract record available.
Inventors
- 👤 Edwin D Phillips
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:38
CPC Classifications
F; F16; F16L; F16L49/00; F16L49/02; B; B01; B01L; B01L3/00; B01L3/56; B01L3/569; F16L49/06; F16L9/00; F16L9/10; F16L9/105; Y; Y10; Y10S; Y10S285/00; Y10S285/911; Y10S285/921
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2110237A
Cited
GB828368A
Cited
US3217917A
Cited
US3241846A
Cited
US3323874A
Cited
US3342696A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-30 | 1974-06-01 | 1974-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-30 | 1978-06-01 | 1978-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-30 | 1982-06-01 | 1982-12-01 | $7700.00 | Window Closed / Lapsed |