US3452947A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Modular creel
Assignee: SPENCER WRIGHT INDUSTRIES Inc A CORP OF TENNESSEE
•
Filing: 1967-07-07
•
Granted: 1969-07-01
•
Expires: 1987-07-07
Abstract
No abstract record available.
Inventors
- 👤 Hoyt Dean Thurman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:34
CPC Classifications
D; D02; D02H; D02H1/00; B; B65; B65H; B65H49/00; B65H49/02; B65H49/04; B65H49/14; B65H49/16; B65H2701/00; B65H2701/30; B65H2701/31
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2013770A
Cited
US3150845A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-30 | 1972-12-30 | 1973-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-30 | 1976-12-30 | 1977-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-30 | 1980-12-30 | 1981-07-01 | $7700.00 | Window Closed / Lapsed |