Patent US3477105A successfully refreshed from Google Patents.
US3477105A
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Coupler assembly
Assignee: Allied Healthcare Products Inc
•
Filing: 1963-12-09
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Granted: 1969-11-11
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Expires: 1983-12-09
Abstract
No abstract record available.
Inventors
- 👤 Bidwell Chapman Cranage
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:19
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/28; F16L37/38; F16L37/40; F16L37/407; F16K; F16K27/00; F16K27/02; F16L37/08; F16L37/084; F16L37/60; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/6966; Y10T137/6969; Y10T137/698; Y10T24/00; Y10T24/45; Y10T24/45225; Y10T24/45602; Y10T24/45675; Y10T24/45696; Y10T24/45712
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2112181A
Cited
US2316692A
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US2622907A
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US2908511A
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US3154361A
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US3192500A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-10 | 1973-05-12 | 1973-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-10 | 1977-05-12 | 1977-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-10 | 1981-05-12 | 1981-11-11 | $7700.00 | Window Closed / Lapsed |