US3424398A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for changing spools on a shaft
Assignee: Novacel SAS
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Filing: 1966-12-14
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Granted: 1969-01-28
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Expires: 1986-12-14
Abstract
No abstract record available.
Inventors
- 👤 Jean Pierre Gabriel E Bellevue
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 02:11
CPC Classifications
D; D06; D06H; D06H7/00; D06H7/04; B; B21; B21C; B21C47/00; B21C47/24; B26; B26D; B26D3/00; B26D3/16; B26D3/161; B65; B65H; B65H19/00; B65H19/22; B65H19/30; B65H19/305; B65H2301/00; B65H2301/40; B65H2301/41; B65H2301/414; B65H2301/4148; B65H2301/4149; B65H2301/41496; B65H2301/417; B65H2301/4171; B65H2301/41745
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2185360A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-28 | 1972-07-29 | 1973-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-28 | 1976-07-29 | 1977-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-28 | 1980-07-29 | 1981-01-28 | $7700.00 | Window Closed / Lapsed |