US3528457A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hose
Assignee: Dunlop Co Ltd
•
Filing: 1968-08-01
•
Granted: 1970-09-15
•
Expires: 1988-08-01
Abstract
No abstract record available.
Inventors
- 👤 Erwin Herbert Erland Martin
- 👤 Clive S Thawley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 00:13
CPC Classifications
F; F16; F16L; F16L11/00; F16L11/04; F16L11/045; B; B29; B29D; B29D23/00; B29D23/001; B29K; B29K2021/00; B29K2027/00; B29K2027/06; B29K2105/00; B29K2105/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA594377A
Cited
US2482702A
Cited
US2515929A
Cited
US2690769A
Cited
US3002534A
Cited
US3407101A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-09-14 | 1974-03-16 | 1974-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-09-14 | 1978-03-16 | 1978-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-09-14 | 1982-03-16 | 1982-09-15 | $7700.00 | Window Closed / Lapsed |