Patent US3397439A successfully refreshed from Google Patents.
US3397439A
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Textile guide roll
Assignee: Industrial Tectonics Inc
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Filing: 1966-11-15
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Granted: 1968-08-20
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Expires: 1986-11-15
Abstract
No abstract record available.
Inventors
- 👤 Hanau Heinz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:12
CPC Classifications
B; B65; B65H; B65H57/00; B65H57/14; F; F16; F16C; F16C32/00; F16C32/04; F16C32/0406; F16C32/0408; F16C32/0423; F16C32/0427; B65H2701/00; B65H2701/30; B65H2701/31; Y; Y10; Y10S; Y10S100/00; Y10S100/917
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) | 1971-08-20 | 1972-02-19 | 1972-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-20 | 1976-02-19 | 1976-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-20 | 1980-02-19 | 1980-08-20 | $7700.00 | Window Closed / Lapsed |