US2914181A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic tube connections
Assignee: MICHAEL REESE RES FOUNDATION I
•
Filing: 1957-05-10
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Granted: 1959-11-24
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Expires: 1977-05-10
Abstract
No abstract record available.
Inventors
- 👤 Naftulin Henry
- 👤 Egge Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:09
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/50; B29C66/61; B29C65/00; B29C65/02; B29C65/04; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/51; B29C66/53; B29C66/532; B29C66/5326; B29C66/53261; B29C66/53262; B29C66/612; B29C66/63; B29C66/636; B29C66/70; B29C66/73; B29C66/739; B29C66/7392; B29C66/73921; B29C66/74; B29C66/742; B29C66/71; B29L; B29L2031/00; B29L2031/712; B29L2031/7148
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1982673A
Cited
US2203072A
Cited
US2341114A
Cited
US2586513A
Cited
US2697521A
Cited
US2709279A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-23 | 1963-05-25 | 1963-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-23 | 1967-05-25 | 1967-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-23 | 1971-05-25 | 1971-11-24 | $7700.00 | Window Closed / Lapsed |