US3239931A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making plastic lined metal tubing
Assignee: Individual
•
Filing: 1964-12-08
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Granted: 1966-03-15
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Expires: 1984-12-08
Abstract
No abstract record available.
Inventors
- 👤 Guarnaschelli Stephen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:23
CPC Classifications
B; B23; B23K; B23K20/00; B23K20/001; B29; B29C; B29C57/00; B29C63/00; B29C63/26; B29C63/34; B29C63/346; F; F16; F16L; F16L58/00; F16L58/02; F16L58/04; F16L58/10; F16L58/1009; F16L58/1027; B29L; B29L2009/00; B29L2009/003; B29L2023/00; B29L2023/22; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49428; Y10T29/49435; Y10T29/49826; Y10T29/49908; Y10T29/49925; Y10T29/49927; Y10T29/49934
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) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |