US3455584A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pipe coupler device
Assignee: Kaiser Aluminum and Chemical Corp
•
Filing: 1966-11-25
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Granted: 1969-07-15
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Expires: 1986-11-25
Abstract
No abstract record available.
Inventors
- 👤 Henry G Henrickson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:49
CPC Classifications
F; F16; F16L; F16L21/00; F16L21/06; F16L27/00; F16L27/12; F16L27/127; F16L27/1275; F16L27/12751; Y; Y10; Y10T; Y10T24/00; Y10T24/14; Y10T24/1412; Y10T24/1441
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US735644A
Cited
US1098526A
Cited
US1547106A
Cited
US1566953A
Cited
US1906010A
Cited
US2756778A
Cited
US3298721A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-14 | 1973-01-13 | 1973-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-14 | 1977-01-13 | 1977-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-14 | 1981-01-13 | 1981-07-15 | $7700.00 | Window Closed / Lapsed |