US3522903A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paper strip puller having differentially driven pullers to prevent sluing of the strip
Assignee: Varian Medical Systems Inc
•
Filing: 1968-03-14
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Granted: 1970-08-04
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Expires: 1988-03-14
Abstract
No abstract record available.
Inventors
- 👤 William A Lloyd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:29
CPC Classifications
G; G01; G01D; G01D15/00; G01D15/24; B; B65; B65H; B65H20/00; B65H20/02; E; E04; E04C; E04C2/00; E04C2/02; E04C2/08; G01D15/28; B65H2404/00; B65H2404/10; B65H2404/13; B65H2404/132; B65H2404/1321; B65H2404/13211
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3052396A
Cited
US3119537A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-03 | 1974-02-02 | 1974-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-03 | 1978-02-02 | 1978-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-03 | 1982-02-02 | 1982-08-04 | $7700.00 | Window Closed / Lapsed |