Patent US3285608A successfully refreshed from Google Patents.
US3285608A
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Pneumatic sheet detecting control means
Assignee: Pitney Bowes Inc
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Filing: 1964-10-05
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Granted: 1966-11-15
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Expires: 1984-10-05
Abstract
No abstract record available.
Inventors
- 👤 Lyman Brooks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:04
CPC Classifications
F; F15; F15C; F15C1/00; F15C1/001; B; B65; B65H; B65H7/00; B65H7/02; B65H7/04; F15B; F15B21/00; F15B21/001; G; G06; G06K; G06K7/00; G06K7/02; Y; Y10; Y10T; Y10T137/00; Y10T137/206; Y10T137/2065; Y10T137/2278
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
136 words
IN A SHEET HANDLING DEVICE; MEANS FOR TRANSPORTING A SHEET ALONG A PREDETERMINED SHEET FEED PATH; A FLUID AMPLIFIER ADAPTED TO BE COUPLED TO AN AIR PRESSURE SOURCE AND HAVING A PAIR OF OUTPUT LINES AND A PAIR OF CONTROL LINES; A FIRST AERODYNAMIC SHEET SENSING MEANS ADAPTED TO DIRECT A JET OF AIR ACROSS SAID FEED PATH; MEANS FOR COUPLING SAID FIRST AERODYNAMIC SHEET SENSING MEANS TO ONE OF SAID CONTROL LINES OF SAID FLUID AMPLIFIER; A SECOND AERODYNAMIC SHEET SENSING MEANS ADAPTED TO DIRECT A JET OF AIR ACROSS SAID FEED PATH; AND MEANS FOR COUPLING SAID SECOND AERODYNAMIC SHEET SENSING MEANS TO THE OTHER CONTROL LINE OF SAID FLUID AMPLIFIER WHEREBY A SENSING OPERATION OF EITHER OF SAID AERODYNAMIC SHEET SENSING MEANS CAN CAUSE SAID FLUID AMPLIFIER TO ALTER ITS MODE OF OPERATION.
References Cited (Backward Citations)
US2907337A
Cited
US3159170A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-14 | 1970-05-16 | 1970-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-14 | 1974-05-16 | 1974-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-14 | 1978-05-16 | 1978-11-15 | $7700.00 | Window Closed / Lapsed |