Patent US2301867A successfully refreshed from Google Patents.
Patent US3286730A successfully refreshed from Google Patents.
US3286730A
Expired / Lapsed
US
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Pneumatic programmer
Assignee: Robertshaw Controls Co
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Filing: 1964-02-27
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Granted: 1966-11-22
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Expires: 1984-02-27
Abstract
No abstract record available.
Inventors
- 👤 Roland D Beck
- 👤 Ellsworth F Smock
- 👤 Roy W Houser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:36
CPC Classifications
D; D06; D06F; D06F33/00; D06F33/04; D06F33/10; Y; Y10; Y10T; Y10T137/00; Y10T137/794; Y10T137/8122; Y10T137/8593; Y10T137/86389; Y10T137/86445; Y10T137/86493; Y10T137/86501; Y10T137/86574; Y10T137/86638
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
IN COMBINATION, A READING HEAD HAVING A READING SURFACE INTERRUPTED BY A PLURALITY OF PASSAGE MEANS, A FLEXIBLE READING MEANS HAVING OIPPOSED SURFACE MEANS, SAID READING MEANS HAVING ONE SURFACE MEANS DISPOSED AGAINST SAID READING SURFACE, MEANS FOR CAUSING RELATIVE MOVEMENT BETWEEN SAID READING MEANS AND SAID READING HEAD, SAID READING MEANS HAVING A CHANNEL MEANS IN SAID ONE SURFACE MEANS THEREOF FOR INTERCONNECTIN TWO OF SAID PASSAGE MEANS TOGETHER, POROUS COMPRESSIBLE MEANS DISPOSED AGAINST SUBSTANTIALLY THE ENTIRE OTHER SURFACE MEANS
Claim 2
Dependent Claim
81 words
IN COMBINATION, A READING HEAD HAVING A READING SURFACE INTERRUPTED BY A PLURALITY OF PASSAGE MEANS, A FLEXIBLE READING MEANS HAVING OIPPOSED SURFACE MEANS, SAID READING MEANS HAVING ONE SURFACE MEANS DISPOSED AGAINST SAID READING SURFACE, MEANS FOR CAUSING RELATIVE MOVEMENT BETWEEN SAID READING MEANS AND SAID READING HEAD, SAID READING MEANS HAVING A CHANNEL MEANS IN SAID ONE SURFACE MEANS THEREOF FOR INTERCONNECTIN TWO OF SAID PASSAGE MEANS TOGETHER, POROUS COMPRESSIBLE MEANS DISPOSED AGAINST SUBSTANTIALLY THE ENTIRE OTHER SURFACE MEANS
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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) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |