US3285568A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tensioning apparatus
Assignee: Biach Industries Inc
•
Filing: 1965-03-17
•
Granted: 1966-11-15
•
Expires: 1985-03-17
Abstract
No abstract record available.
Inventors
- 👤 John L Biach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:35
CPC Classifications
F; F16; F16B; F16B43/00; F16B43/005; F16B43/007; B; B25; B25B; B25B29/00; B25B29/02; F16B31/00; F16B31/04; F16B31/043
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A STUD TENSIONING SYSTEM COMPRISING: A BOLT; TENSIONER ENGAGING MEANS ON SAID BOLT FOR COOPERATING WITH A TENSIONING APPARATUS FOR TENSIONING THE BOLT; A BOLT TENSIONING APPARATUS INCLUDING A HOUSING HAVING ONE END ADAPTED TO THRUST AGAINST THE SURFACE FROM WHICH THE BOLT AND TENSIONER ENGAGING MEANS EXTENDS, A PULLER BAR HAVING AN END WITHIN SAID HOUSING, THE PULLER BAR END AND THE TENSIONER ENGAGING MEANS HAVING COOPERATING AND RELEASABLE INTERENGAGING SURFACES, AND TENSIONING MEANS COUPLED WITH THE PULLER ROD FOR TENSIONING THE BOLT BY MEANS OF THE TENSIONER ENGAGING MEANS; AND MEANS FOR INTERPOSITION BETWEEN THE TENSIONER ENGAGING MEANS AND SAID SURFACE FOR MAINTAINING THE BOLT UNDER TENSION UPON DEACTIVATION OF THE TENSIONING MEANS AND RELEASE OF THE PULLER BAR FROM THE TENSIONER ENGAGING MEANS.
Claim 2
Dependent Claim
126 words
A STUD TENSIONING SYSTEM COMPRISING: A BOLT; TENSIONER ENGAGING MEANS ON SAID BOLT FOR COOPERATING WITH A TENSIONING APPARATUS FOR TENSIONING THE BOLT; A BOLT TENSIONING APPARATUS INCLUDING A HOUSING HAVING ONE END ADAPTED TO THRUST AGAINST THE SURFACE FROM WHICH THE BOLT AND TENSIONER ENGAGING MEANS EXTENDS, A PULLER BAR HAVING AN END WITHIN SAID HOUSING, THE PULLER BAR END AND THE TENSIONER ENGAGING MEANS HAVING COOPERATING AND RELEASABLE INTERENGAGING SURFACES, AND TENSIONING MEANS COUPLED WITH THE PULLER ROD FOR TENSIONING THE BOLT BY MEANS OF THE TENSIONER ENGAGING MEANS; AND MEANS FOR INTERPOSITION BETWEEN THE TENSIONER ENGAGING MEANS AND SAID SURFACE FOR MAINTAINING THE BOLT UNDER TENSION UPON DEACTIVATION OF THE TENSIONING MEANS AND RELEASE OF THE PULLER BAR FROM THE TENSIONER ENGAGING MEANS.
References Cited (Backward Citations)
US540021A
Cited
US910712A
Cited
US1614221A
Cited
US1662094A
Cited
US2383068A
Cited
US2525950A
Cited
US3115332A
Cited
US3162071A
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 |