US3476408A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Transition fittings
Assignee: EIDP Inc
•
Filing: 1966-10-28
•
Granted: 1969-11-04
•
Expires: 1986-10-28
Abstract
No abstract record available.
Inventors
- 👤 Kenneth R Wolfe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:08
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/70; B29C66/74; B29C65/00; B29C65/02; B29C65/18; B29C65/48; B29C65/4805; B29C65/481; B29C65/4815; B29C65/50; B29C65/5057; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/50; B29C66/51; B29C66/53; B29C66/534; B29C66/5344; B29C66/71; B29C66/712; F; F16; F16L; F16L47/00; F16L47/02; F16L47/20; F16L47/24; B29C65/5007; B29C65/5021; B29C66/742
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3172934A
Cited
US2517778A
Cited
GB718350A
Cited
GB846357A
Cited
US3035958A
Cited
US3152820A
Cited
GB963380A
Cited
US3246671A
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 |