US3253841A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lined conduit joint
Assignee: Avisun Corp
•
Filing: 1963-12-05
•
Granted: 1966-05-31
•
Expires: 1983-12-05
Abstract
No abstract record available.
Inventors
- 👤 Alan S Ahmad
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:54
CPC Classifications
F; F16; F16L; F16L15/00; F16L15/001; B; B29; B29C; B29C57/00; B29C57/005; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49428; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/4992; Y10T29/49938; Y10T29/4994
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1615536A
Cited
US2086151A
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US2148747A
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FR881192A
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FR883048A
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US2613958A
Cited
US2805872A
Cited
US3047937A
Cited
DE1022860B
Cited
FR1268406A
Cited
US3142499A
Cited
US3199879A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-30 | 1969-11-29 | 1970-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-30 | 1973-11-29 | 1974-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-30 | 1977-11-29 | 1978-05-31 | $7700.00 | Window Closed / Lapsed |