Patent US3159028A successfully refreshed from Google Patents.
US3159028A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet break detector
Assignee: Beloit Corp
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Filing: 1961-02-15
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Granted: 1964-12-01
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Expires: 1981-02-15
Abstract
No abstract record available.
Inventors
- 👤 Jr Lloyd Hornbostel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 12:06
CPC Classifications
G; G01; G01N; G01N19/00; G01N19/08; B; B65; B65H; B65H26/00; B65H26/02; B65H26/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
A MECHANISM FOR DETECTING A BREAK IN A WEB COMPRISING A FLOW CONDUIT HAVING AN ORIFICE FOR DIRECTING A STREAM OF AIR AGAINST THE SURFACE OF A WEB MOVING IN A NORMAL RUNNING PLANE WITH SAID STREAM FORMING AN ANGLE WITH SAID RUNNING PLANE AND DIRECTED TOWARD THE ONCOMING WEB WITH THE WEB SURFACE PROVIDING A RESISTANCE TO THE ESCAPING AIR, AN AIR SUPPLY SOURCE CONNECTED TO SAID CONDUIT, A PRESSURE REGULATOR IN SAID CONDUIT TO MAINTAIN THE AIR SUPPLY AT A SUBSTANTIALLY UNIFORM PRESSURE, AND A PRESSURE RESPONSIVE DEVICE CONNECTED TO THE CONDUIT DOWNSTREAM OF THE PRESSURE REGULATOR INDICATING CHANGE
Claim 2
Dependent Claim
101 words
A MECHANISM FOR DETECTING A BREAK IN A WEB COMPRISING A FLOW CONDUIT HAVING AN ORIFICE FOR DIRECTING A STREAM OF AIR AGAINST THE SURFACE OF A WEB MOVING IN A NORMAL RUNNING PLANE WITH SAID STREAM FORMING AN ANGLE WITH SAID RUNNING PLANE AND DIRECTED TOWARD THE ONCOMING WEB WITH THE WEB SURFACE PROVIDING A RESISTANCE TO THE ESCAPING AIR, AN AIR SUPPLY SOURCE CONNECTED TO SAID CONDUIT, A PRESSURE REGULATOR IN SAID CONDUIT TO MAINTAIN THE AIR SUPPLY AT A SUBSTANTIALLY UNIFORM PRESSURE, AND A PRESSURE RESPONSIVE DEVICE CONNECTED TO THE CONDUIT DOWNSTREAM OF THE PRESSURE REGULATOR INDICATING CHANGE
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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) | 1967-12-01 | 1968-06-01 | 1968-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-01 | 1972-06-01 | 1972-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-01 | 1976-06-01 | 1976-12-01 | $7700.00 | Window Closed / Lapsed |