US3105273A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Platform take-out hardware
Assignee: Caldwell Manufacturing Co Inc
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Filing: 1960-11-25
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Granted: 1963-10-01
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Expires: 1980-11-25
Abstract
No abstract record available.
Inventors
- 👤 Nobes William Douglas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:02
CPC Classifications
E; E05; E05D; E05D13/00; E05D13/003; E05D13/10; E05D13/12; E05D13/1207; E05D13/1223
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A WINDOW INCLUDING A SASH, A FRAME HAVING GUIDEWAYS IN WHICH THE SASH SLIDES, A SASH BALANCE FASTENED TO THE FRAME, A DETACHABLE CONNECTION BETWEEN THE SASH AND THE SASH BALANCE; SAID CONNECTION INCLUDING A TRACK MOUNTED ON THE FRAME, MEANS SLIDABLE ON SAID TRACK AND CONNECTED TO THE SASH BALANCE AND HAVING FORMED THEREFROM A RETAINER, A BRACKET FASTENED TO SAID SASH AND DETACHABLY ENGAGED WITH THE RETAINER ON SAID SLIDABLE MEANS; AND LOCKING MEANS FASTENED TO SAID FRAME FOR THE SASH BALANCE WHEN THE SASH IS REMOVED FROM THE WINDOW COMPRISING A PIVOTAL LATCH ADAPTED TO BE ENGAGED WITH SAID SLIDABLE MEANS BEFORE THE SASH IS REMOVED.
Claim 2
Dependent Claim
109 words
A WINDOW INCLUDING A SASH, A FRAME HAVING GUIDEWAYS IN WHICH THE SASH SLIDES, A SASH BALANCE FASTENED TO THE FRAME, A DETACHABLE CONNECTION BETWEEN THE SASH AND THE SASH BALANCE; SAID CONNECTION INCLUDING A TRACK MOUNTED ON THE FRAME, MEANS SLIDABLE ON SAID TRACK AND CONNECTED TO THE SASH BALANCE AND HAVING FORMED THEREFROM A RETAINER, A BRACKET FASTENED TO SAID SASH AND DETACHABLY ENGAGED WITH THE RETAINER ON SAID SLIDABLE MEANS; AND LOCKING MEANS FASTENED TO SAID FRAME FOR THE SASH BALANCE WHEN THE SASH IS REMOVED FROM THE WINDOW COMPRISING A PIVOTAL LATCH ADAPTED TO BE ENGAGED WITH SAID SLIDABLE MEANS BEFORE THE SASH IS REMOVED.
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) | 1966-09-30 | 1967-04-01 | 1967-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-30 | 1971-04-01 | 1971-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-30 | 1975-04-01 | 1975-10-01 | $7700.00 | Window Closed / Lapsed |