US3099434A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power-operated stud tensioner
Assignee: Babcock and Wilcox Co
•
Filing: 1959-10-26
•
Granted: 1963-07-30
•
Expires: 1979-10-26
Abstract
No abstract record available.
Inventors
- 👤 Mart Le Roy S De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:37
CPC Classifications
B; B23; B23P; B23P19/00; B23P19/04; B23P19/06; B23P19/067; B25; B25B; B25B29/00; B25B29/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
IN A STUD TENSIONING DEVICE, A THREADED DRAWBAR ADAPTED TO BE THREADABLY CONNECTED TO A STUD, A RECIPROCABLE MOTOR FOR URGING SAID DRAWBAR IN A DIRECTION AWAY FROM SAID STUD, SAID DRAWBAR AND MOTOR BEING SPACED APART IN A DIRECTION TRANSVERSE TO THE DRAWBAR AXIS WHEREBY SAID DRAWBAR MAY MOVE LATERALLY WITH RESPECT TO SAID MOTOR AND SPRING SUSPENSION MEANS BETWEEN SAID MOTOR AND SAID DRAWBAR AND ADAPTED TO SUPPORT THE WEIGHT OF SAID DRAWBAR IN ITS UNRESTRAINED CONDITION.
Claim 2
Dependent Claim
79 words
IN A STUD TENSIONING DEVICE, A THREADED DRAWBAR ADAPTED TO BE THREADABLY CONNECTED TO A STUD, A RECIPROCABLE MOTOR FOR URGING SAID DRAWBAR IN A DIRECTION AWAY FROM SAID STUD, SAID DRAWBAR AND MOTOR BEING SPACED APART IN A DIRECTION TRANSVERSE TO THE DRAWBAR AXIS WHEREBY SAID DRAWBAR MAY MOVE LATERALLY WITH RESPECT TO SAID MOTOR AND SPRING SUSPENSION MEANS BETWEEN SAID MOTOR AND SAID DRAWBAR AND ADAPTED TO SUPPORT THE WEIGHT OF SAID DRAWBAR IN ITS UNRESTRAINED CONDITION.
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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) | 1966-07-29 | 1967-01-28 | 1967-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-29 | 1971-01-28 | 1971-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-29 | 1975-01-28 | 1975-07-30 | $7700.00 | Window Closed / Lapsed |