US3207263A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-climbing formwork hoist
Assignee: Civil and Civic Pty Ltd
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Filing: 1962-07-16
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Granted: 1965-09-21
•
Expires: 1982-07-16
Abstract
No abstract record available.
Inventors
- 👤 Cull Alan Sydney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:27
CPC Classifications
B; B66; B66B; B66B9/00; B66B9/02; B66B9/022; B66B9/16; B66B9/187; E; E04; E04G; E04G3/00; E04G3/28; Y; Y10; Y10S; Y10S187/00; Y10S187/90
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
HOISTING EQUIPMENT COMPRISING AT LEAST ONE GENERALLY UPRIGHT POST, A FIRST READILY DETACHABLE MOUNTING MEANS DETACHABLY MOUNTED ON THE POST AND ADAPTED TO BE MOUNTED ON A RIGID STATIONARY STRUCTURE FOR HOLDING THE POST IN A GENERALLY UPRIGHT POSITION RELATIVE TO SAID STATIONARY STRUCTURE, A PLATFORM RELATIVELY-MOVABLY ASSOCIATED WITH SAID POST, A SECOND READILY DETACHABLE MOUNTING MEANS DETACHABLY MOUNTED ON SAID PLATFORM AND ADAPTED TO BER SECURED TO SAID RIGID STATIONARY STRUCTURE FOR RETAINING SAID PLATFORM IN A FIXED POSITION RELATIVE TO SAID STRUCTURE, AND DISPLAYING MEANS COUPLED BETWEEN SAID PLATFORM AND SAID POST AND COMPRISING A TOOTHED RACK SECURELY ASSOCIATED WITH SAID POST, AT LEAST ONE TOOTHED PINION ROTATABLY MOUNTED ON SAID PLATFORM AND ENGAGING THE RACK ON THE SAID POST, AND MEANS COUPLED TO SAID PINION FOR ROTATING THE SAID PINION, SAID DISPLACING MEANS DISPLACING THE PLATFORM IN SUBSTANTIALLY VERTICAL DIRECTIONS
Claim 2
Dependent Claim
143 words
HOISTING EQUIPMENT COMPRISING AT LEAST ONE GENERALLY UPRIGHT POST, A FIRST READILY DETACHABLE MOUNTING MEANS DETACHABLY MOUNTED ON THE POST AND ADAPTED TO BE MOUNTED ON A RIGID STATIONARY STRUCTURE FOR HOLDING THE POST IN A GENERALLY UPRIGHT POSITION RELATIVE TO SAID STATIONARY STRUCTURE, A PLATFORM RELATIVELY-MOVABLY ASSOCIATED WITH SAID POST, A SECOND READILY DETACHABLE MOUNTING MEANS DETACHABLY MOUNTED ON SAID PLATFORM AND ADAPTED TO BER SECURED TO SAID RIGID STATIONARY STRUCTURE FOR RETAINING SAID PLATFORM IN A FIXED POSITION RELATIVE TO SAID STRUCTURE, AND DISPLAYING MEANS COUPLED BETWEEN SAID PLATFORM AND SAID POST AND COMPRISING A TOOTHED RACK SECURELY ASSOCIATED WITH SAID POST, AT LEAST ONE TOOTHED PINION ROTATABLY MOUNTED ON SAID PLATFORM AND ENGAGING THE RACK ON THE SAID POST, AND MEANS COUPLED TO SAID PINION FOR ROTATING THE SAID PINION, SAID DISPLACING MEANS DISPLACING THE PLATFORM IN SUBSTANTIALLY VERTICAL DIRECTIONS
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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) | 1968-09-20 | 1969-03-22 | 1969-09-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-20 | 1973-03-22 | 1973-09-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-20 | 1977-03-22 | 1977-09-21 | $7700.00 | Window Closed / Lapsed |