US3498555A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for unwinding or winding spools
Assignee: UNIROYAL
•
Filing: 1968-08-07
•
Granted: 1970-03-03
•
Expires: 1988-08-07
Abstract
No abstract record available.
Inventors
- 👤 Jean Leblond
- 👤 Jean Biet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 02:30
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/06; B29D30/08; B29D30/20; B29D30/30; B21; B21C; B21C47/00; B21C47/003; B21C47/02; B21C47/04; B21C47/16; B21C47/18; B65; B65H; B65H19/00; B65H19/10; B65H19/12; B65H2405/00; B65H2405/40; B65H2405/42; B65H2405/422; B65H2405/4221; B65H2801/00; B65H2801/93
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) | 1973-03-02 | 1973-09-01 | 1974-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-02 | 1977-09-01 | 1978-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-02 | 1981-09-01 | 1982-03-03 | $7700.00 | Window Closed / Lapsed |