US3416982A
Expired / Lapsed
US
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Method of forming a reinforced seamless tubular element
Assignee: CHANDRI STS
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Filing: 1966-10-24
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Granted: 1968-12-17
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Expires: 1986-10-24
Abstract
No abstract record available.
Inventors
- 👤 Petzetakis Aristovoulos George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:37
CPC Classifications
F; F16; F16L; F16L11/00; F16L11/04; F16L11/11; B; B29; B29C; B29C48/00; B29C48/03; B29C48/07; B29C48/08; B29C48/15; B29C48/154; B29C48/16; B29C48/18; B29C48/21; B29C48/25; B29C48/30; B29C48/32; B29C48/335; B29C48/336; B29C48/3363; B29C48/337; B29C48/338; B29D; B29D23/00; B29D23/001; F16L11/08; F16L11/081; B29C2793/00; B29C2793/0036; B29C48/001; B29C48/0018; B29C48/09; B29C48/13; B29C48/151; B29C48/152; B29C48/153; B29K; B29K2007/00; B29K2021/00; B29K2027/00; B29K2027/06; B29K2995/00; B29K2995/0037; B29K2995/007; B29L; B29L2023/00; B29L2023/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-17 | 1972-06-17 | 1972-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-17 | 1976-06-17 | 1976-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-17 | 1980-06-17 | 1980-12-17 | $7700.00 | Window Closed / Lapsed |