US3236486A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Waler brackets
Assignee: ALLEN FORM CORP
•
Filing: 1960-06-14
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Granted: 1966-02-22
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Expires: 1980-06-14
Abstract
No abstract record available.
Inventors
- 👤 Helen M Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:23
CPC Classifications
E; E04; E04G; E04G17/00; E04G17/06; E04G17/075; E04G17/0751; E04G17/0754
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
150 words
A WALER BRACKET FOR CONCRETE WALL FORMS MADE OF PLYWOOD FOR USE WITH FORM TIE RODS HAVING INTEGRAL FLAT HEADS ON EACH END AND SPACER ABUTMENTS AND WITH COACTING HORIZONTALLY WALERS, COMPRISING: A METAL BRACKET HAVING A SUBSTANTIALLY HORIZONTAL REST PORTION; AN UPWARDLY DIRECTED, WALL FORM ENGAGING END OF SAID BRACKET DISPOSED AT RIGHT ANGLES TO SAID REST PORTION SAID HORIZONTAL REST PORTION BEING LONGER THAN SAID WALL FORM ENGAGING END OF SAID BRACKET SO THAT A WALER APPLIED TO THE OUTER PORTION OF SAID HORIZONTAL REST PORTION WILL PRODUCE AN EFFECTIVE TIE ROD TENSIONING FORCE; AN OPENING IN SAID WALL ENGAGING END OF SAID BRACKET ADAPTED TO RECEIVE ONE HEAD OF A TIE ROD AND TO OPERATIVELY ENGAGE SAID HEAD OF SAID TIE ROD; AN UPWARDLY DIRECTED OUTER END OF SAID BRACKET BENT AT SUBSTANTIALLY RIGHT ANGLES TO SAID REST PORTION AND DISPOSED TO ENGAGE AND POSITION SAID WALER.
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) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |