Patent US3402429A successfully refreshed from Google Patents.
US3402429A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Forming corrugated hose
Assignee: Eagle Picher Industries Inc
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Filing: 1967-06-07
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Granted: 1968-09-24
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Expires: 1987-06-07
Abstract
No abstract record available.
Inventors
- 👤 James W Davidson
- 👤 John L Maurer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:34
CPC Classifications
B; B29; B29D; B29D23/00; B29D23/18; B29C; B29C2949/00; B29C2949/07; B29C2949/079; B29C2949/08; B29K; B29K2021/00; B29K2105/00; B29K2105/25; B29K2105/253; B29K2105/258; B29L; B29L2023/00; B29L2023/18
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) | 1971-09-24 | 1972-03-25 | 1972-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-24 | 1976-03-25 | 1976-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-24 | 1980-03-25 | 1980-09-24 | $7700.00 | Window Closed / Lapsed |