US3237718A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two-sided suspension system for staging
Assignee: Ederer Corp
•
Filing: 1964-05-13
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Granted: 1966-03-01
•
Expires: 1984-05-13
Abstract
No abstract record available.
Inventors
- 👤 Bernard A Pearson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:52
CPC Classifications
E; E04; E04G; E04G3/00; E04G3/28; E04G3/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
176 words
IN COMBINATION WITH A STAGING, A RESPECTIVE SHEAVE MEANS FOR EACH OF THE TWO ENDS OF THE STAGING LYING OVERHEAD TO THE RELATED END, A PAIR OF WINCHES PROVIDING SPOOLING DRUMS, RESPECTIVE PAIRS OF CABLES TRAINED OVER EACH OF THE SHEAVE MEANS WITH AN OUTER END OF EACH CABLE DEADENDED TO THE RELATED END OF THE STAGING, EACH OF SAID PAIRS OF CABLES HAVING THE INNER ENDS OF ITS CABLES WOUND ONE UPON THE SPOOLING DRUM OF ONE WINCH AND THE OTHER UPON THE SPOOLING DRUM OF THE OTHER WINCH OF THE PAIR OF WINCHES, THE DIRECTION OF WIND BEING OPPOSITE AS BETWEEN THE TWO CABLES WHICH ARE WOUND ON EACH WINCH, AND POWER MEANS FOR DRIVING A SELECTED ONE OR BOTH OF THE WINCHES IN EITHER OF TWO OPPOSITE DIRECTIONS, SELECTIVELY, SO THAT IF ONLY A SELECTED ONE OF THE TWO WINCHES IS DRIVEN THE RELATED TWO CABLES CAN BE EITHER PAID OUT OR TAKEN IN SELECTIVELY AND IF BOTH WINCHES ARE DRIVEN ALL FOUR CABLES CAN BE EITHER PAID OUT OR TAKEN IN, SELECTIVELY.
Claim 2
Dependent Claim
176 words
IN COMBINATION WITH A STAGING, A RESPECTIVE SHEAVE MEANS FOR EACH OF THE TWO ENDS OF THE STAGING LYING OVERHEAD TO THE RELATED END, A PAIR OF WINCHES PROVIDING SPOOLING DRUMS, RESPECTIVE PAIRS OF CABLES TRAINED OVER EACH OF THE SHEAVE MEANS WITH AN OUTER END OF EACH CABLE DEADENDED TO THE RELATED END OF THE STAGING, EACH OF SAID PAIRS OF CABLES HAVING THE INNER ENDS OF ITS CABLES WOUND ONE UPON THE SPOOLING DRUM OF ONE WINCH AND THE OTHER UPON THE SPOOLING DRUM OF THE OTHER WINCH OF THE PAIR OF WINCHES, THE DIRECTION OF WIND BEING OPPOSITE AS BETWEEN THE TWO CABLES WHICH ARE WOUND ON EACH WINCH, AND POWER MEANS FOR DRIVING A SELECTED ONE OR BOTH OF THE WINCHES IN EITHER OF TWO OPPOSITE DIRECTIONS, SELECTIVELY, SO THAT IF ONLY A SELECTED ONE OF THE TWO WINCHES IS DRIVEN THE RELATED TWO CABLES CAN BE EITHER PAID OUT OR TAKEN IN SELECTIVELY AND IF BOTH WINCHES ARE DRIVEN ALL FOUR CABLES CAN BE EITHER PAID OUT OR TAKEN IN, SELECTIVELY.
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) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |