Patent US3390823A successfully refreshed from Google Patents.
US3390823A
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Web guide apparatus
Assignee: ROCKFORD SERVO CORP
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Filing: 1966-02-25
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Granted: 1968-07-02
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Expires: 1986-02-25
Abstract
No abstract record available.
Inventors
- 👤 Jr Robert W Ott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:44
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/26; B; B65; B65H; B65H23/00; B65H23/02; B65H23/032; B65H23/038; D; D06; D06C; D06C3/00; D21; D21F; D21F1/00; D21F1/36; D21F1/365; F16C29/00; F16C29/02; B65H2404/00; B65H2404/10; B65H2404/15; B65H2404/152; B65H2404/1521; B65H2404/15212; D06C2700/00; D06C2700/10; F16C2340/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1043603A
Cited
US2494023A
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US2797091A
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US3024955A
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US3054547A
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US3317101A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-02 | 1972-01-01 | 1972-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-02 | 1976-01-01 | 1976-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-02 | 1980-01-01 | 1980-07-02 | $7700.00 | Window Closed / Lapsed |