Patent US3304825A successfully refreshed from Google Patents.
US3304825A
Expired / Lapsed
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Triggering control for severing device
Assignee: Weyerhaeuser Co
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Filing: 1963-06-11
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Granted: 1967-02-21
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Expires: 1983-06-11
Abstract
No abstract record available.
Inventors
- 👤 Henry M Preusser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:11
CPC Classifications
B; B27; B27D; B27D5/00; B23; B23Q; B23Q7/00; B23Q7/007; Y; Y10; Y10T; Y10T156/00; Y10T156/12; Y10T156/1317; Y10T156/1343; Y10T83/00; Y10T83/465; Y10T83/4653; Y10T83/4656; Y10T83/4667; Y10T83/467; Y10T83/4673; Y10T83/525; Y10T83/541; Y10T83/544
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A TRIGGERING SYSTEM FOR INITIATING OPEARTION OF A SEVERING MEANS TO SEPARATE CONTINUOUS MATERIALS OVERLAID ON SEPARATE LAMINA WHILE ALL MATERIALS ARE BEING CONVEYED DURING A PRODUCTION RUN COMPRISING: MEANS TO DETECT THE FLOW OF A SUBSTANTIALLY FULL SIZE LAMINA; A MEANS TO DETECT THE PASSING OF THE TRAILING EDGE OF SAID LAMINA; AND MEANS OF CONTROLLING ENERGY SUPPLIED TO THE SEVERING MEANS WHICH INITIATES ITS OPERATION RESPONSIVE TO THE SEQUENTIAL OPERATION OF THE FULL SIZE LAMINA DETECTION MEANS AND THE PASSING LAMINA EDGE DETECTION MEANS.
Claim 2
Dependent Claim
86 words
A TRIGGERING SYSTEM FOR INITIATING OPEARTION OF A SEVERING MEANS TO SEPARATE CONTINUOUS MATERIALS OVERLAID ON SEPARATE LAMINA WHILE ALL MATERIALS ARE BEING CONVEYED DURING A PRODUCTION RUN COMPRISING: MEANS TO DETECT THE FLOW OF A SUBSTANTIALLY FULL SIZE LAMINA; A MEANS TO DETECT THE PASSING OF THE TRAILING EDGE OF SAID LAMINA; AND MEANS OF CONTROLLING ENERGY SUPPLIED TO THE SEVERING MEANS WHICH INITIATES ITS OPERATION RESPONSIVE TO THE SEQUENTIAL OPERATION OF THE FULL SIZE LAMINA DETECTION MEANS AND THE PASSING LAMINA EDGE DETECTION MEANS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-20 | 1970-08-22 | 1971-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-20 | 1974-08-22 | 1975-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-20 | 1978-08-22 | 1979-02-21 | $7700.00 | Window Closed / Lapsed |