US3428507A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a hose pipe of helically wound strips of thermoplastic material
Assignee: George Angus and Co Ltd
•
Filing: 1965-05-18
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Granted: 1969-02-18
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Expires: 1985-05-18
Abstract
No abstract record available.
Inventors
- 👤 Eric Ball
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 07:31
CPC Classifications
B; B29; B29D; B29D23/00; B29D23/001; B29C; B29C48/00; B29C48/03; B29C48/07; B29C48/13; F; F16; F16L; F16L11/00; F16L11/24; B29C35/00; B29C35/02; B29C48/09; B29C53/00; B29C53/56; B29C53/58; B29K; B29K2021/00; B29K2027/00; B29K2027/06; B29K2105/00; B29K2105/06; B29K2105/08
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) | 1972-02-18 | 1972-08-19 | 1973-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-18 | 1976-08-19 | 1977-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-18 | 1980-08-19 | 1981-02-18 | $7700.00 | Window Closed / Lapsed |