US2758472A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1952-10-09
•
Granted: 1956-08-14
•
Expires: 1972-10-09
Abstract
No abstract record available.
Inventors
- 👤 Jr Richard L Bowen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:17
CPC Classifications
G; G01; G01L; G01L5/00; G01L5/04; G01L5/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
IN A MACHINE FOR MAINTAINING UNIFORM TENSION ON A TRAVELING WEB, A FRAME, A SHAFT PROVIDED WITH A BRAKE DRUM ROTATABLY MOUNTED IN SAID FRAME, A SUPPLY BEAM OF WEB MATERIAL FIXED TO SAID SHAFT, BRAKE BANDS PIVOTALLY MOUNTED IN SAID FRAME ENGAGING SAID BRAKE DRUMS, OPPOSITELY DISPOSED IDLER ROLLERS IN SPACED VERTICAL ALIGNMENT SUPPORTED IN SAID FRAME, A FORCE RESPONSIVE FLUID PRESSURE ELEMENT SUPPORTED IN SAID FRAME, A PRESSURE INDICATOR FIXED IN SAID FRAME OPERATIVELY CONNECTED TO SAID FORCE RESPONSIVE FLUID PRESSURE ELEMENT, OPPOSITELY DISPOSED BRACKETS IN HORIZONTAL ALIGNMENT SECURED TO SAID FRAME, A SECOND FRAME PIVOTALLY MOUNTED INTERMEDIATE SAID BRACKETS, SAID SECOND FRAME ENGAGEABLE AND DISENGAGEABLE WITH SAID FORCE RESPONSIVE FLUID PRESSURE ELEMENT,
Claim 2
Dependent Claim
115 words
IN A MACHINE FOR MAINTAINING UNIFORM TENSION ON A TRAVELING WEB, A FRAME, A SHAFT PROVIDED WITH A BRAKE DRUM ROTATABLY MOUNTED IN SAID FRAME, A SUPPLY BEAM OF WEB MATERIAL FIXED TO SAID SHAFT, BRAKE BANDS PIVOTALLY MOUNTED IN SAID FRAME ENGAGING SAID BRAKE DRUMS, OPPOSITELY DISPOSED IDLER ROLLERS IN SPACED VERTICAL ALIGNMENT SUPPORTED IN SAID FRAME, A FORCE RESPONSIVE FLUID PRESSURE ELEMENT SUPPORTED IN SAID FRAME, A PRESSURE INDICATOR FIXED IN SAID FRAME OPERATIVELY CONNECTED TO SAID FORCE RESPONSIVE FLUID PRESSURE ELEMENT, OPPOSITELY DISPOSED BRACKETS IN HORIZONTAL ALIGNMENT SECURED TO SAID FRAME, A SECOND FRAME PIVOTALLY MOUNTED INTERMEDIATE SAID BRACKETS, SAID SECOND FRAME ENGAGEABLE AND DISENGAGEABLE WITH SAID FORCE RESPONSIVE FLUID PRESSURE ELEMENT,
References Cited (Backward Citations)
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Cited
GB138761A
Cited
GB173851A
Cited
US1650603A
Cited
US1882932A
Cited
US2131868A
Cited
US2462558A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-14 | 1960-02-13 | 1960-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-14 | 1964-02-13 | 1964-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-14 | 1968-02-13 | 1968-08-14 | $7700.00 | Window Closed / Lapsed |