Patent US3634544A successfully refreshed from Google Patents.
Patent US3481042A successfully refreshed from Google Patents.
US3481042A
Expired / Lapsed
US
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Surface sensing apparatus
Assignee: Individual
•
Filing: 1963-07-10
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Granted: 1969-12-02
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Expires: 1983-07-10
Abstract
No abstract record available.
Inventors
- 👤 Jerome H Lemelson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:02
CPC Classifications
G; G05; G05B; G05B19/00; G05B19/02; G05B19/18; G05B19/404; B; B41; B41J; B41J1/00; B41J1/20; B41J11/00; B41J11/20; G01; G01B; G01B7/00; G01B7/004; G01D; G01D5/00; G01D5/26; G01D5/32; G01D5/34; G01D5/347; G01D5/34776; G01D5/34792; G05B2219/00; G05B2219/30; G05B2219/35; G05B2219/35554; G05B2219/36; G05B2219/36503; G05B2219/36504; G05B2219/37; G05B2219/37032; G05B2219/37228; G05B2219/37245; G05B2219/37345; G05B2219/37351; G05B2219/37357; G05B2219/37405; G05B2219/37409; G05B2219/37415; G05B2219/37417; G05B2219/37418; G05B2219/37559; G05B2219/40; G05B2219/40383; G05B2219/49; G05B2219/49134; G05B2219/49302; G05B2219/50; G05B2219/50031; G05B2219/50063; G05B2219/50139; G05B2219/50145; G05B2219/50249; G05B2219/50294; G05B2219/50296; G05B2219/50315; G05B2219/50379; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/300896
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-01 | 1973-06-02 | 1973-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-01 | 1977-06-02 | 1977-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-01 | 1981-06-02 | 1981-12-02 | $7700.00 | Window Closed / Lapsed |