US3215324A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fastener driving apparatus
Assignee: Duo Fast Corp
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Filing: 1963-11-29
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Granted: 1965-11-02
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Expires: 1983-11-29
Abstract
No abstract record available.
Inventors
- 👤 Thomas H Dorney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:30
CPC Classifications
B; B25; B25C; B25C5/00; B25C5/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
180 words
IN A FASTENER DRIVING APPARATUS INCLUDING A FASTENER DRIVING ELEMENT, A NONEPIECE ASSEMBLY DEFINING A DRIVE TRACK FOR SLIDABLY RECEIVING THE FASTENER DRIVING ELEMENT, SAID NONEPIECE ASSEMBLY INCLUDING A PORTION FORWARDLY MOVABLE BETWEEN A CLOSED POSITION IN WHICH SAID PORTION DEFINES A CLOSED WALL OF THE DRIVE TRACK AND AN OPEN POSITION IN WHCIH THE DRIVE TRACK IS OPENED, A FASTENER MAGAZINE ASSEMBLY FOR FEEDING FASTENERS FORWARDLY INTO THE DRIVE TRACK, SAID MAGAZINE ASSEMBLY INCLUDING A COVER MEMBER SLIDABLE BETWEEN A FORWARD CLOSED POSITION AND A REARWARD OPEN POSITION PERMITTING LOADING OF FASTERNERS INTO SAID MAGAZINE ASSEMBLY, RESILIENTLY BIASED MEANS CARRIED ON SAID COVER MEMBER FOR MOVING FASTENERS TOWARD THE DRIVE TRACK, SAID RESILITENTLY BIASED MEANS BEING OPERABLE TO AN INEFFECTIVE POSITION IN WHICH THE FASTENERS ARE NOT BIASED TOWARD THE DRIVE TRACK WHEN SAID COVER MEMBER IS IN SAID OPEN POSITION, AND LATCH MEANS FOR HOLDING SAID PORTION IN ITS CLOSED POSITION AND OPERABLE TO A SETTING IN WHICH SAID PORTION CAN BE MOVED TO ITS OPEN POSITION ONLY WHEN THE RESILIENTLY BIASED MEANS IS IN ITS INEFFECTIVE POSITION.
Claim 2
Dependent Claim
180 words
IN A FASTENER DRIVING APPARATUS INCLUDING A FASTENER DRIVING ELEMENT, A NONEPIECE ASSEMBLY DEFINING A DRIVE TRACK FOR SLIDABLY RECEIVING THE FASTENER DRIVING ELEMENT, SAID NONEPIECE ASSEMBLY INCLUDING A PORTION FORWARDLY MOVABLE BETWEEN A CLOSED POSITION IN WHICH SAID PORTION DEFINES A CLOSED WALL OF THE DRIVE TRACK AND AN OPEN POSITION IN WHCIH THE DRIVE TRACK IS OPENED, A FASTENER MAGAZINE ASSEMBLY FOR FEEDING FASTENERS FORWARDLY INTO THE DRIVE TRACK, SAID MAGAZINE ASSEMBLY INCLUDING A COVER MEMBER SLIDABLE BETWEEN A FORWARD CLOSED POSITION AND A REARWARD OPEN POSITION PERMITTING LOADING OF FASTERNERS INTO SAID MAGAZINE ASSEMBLY, RESILIENTLY BIASED MEANS CARRIED ON SAID COVER MEMBER FOR MOVING FASTENERS TOWARD THE DRIVE TRACK, SAID RESILITENTLY BIASED MEANS BEING OPERABLE TO AN INEFFECTIVE POSITION IN WHICH THE FASTENERS ARE NOT BIASED TOWARD THE DRIVE TRACK WHEN SAID COVER MEMBER IS IN SAID OPEN POSITION, AND LATCH MEANS FOR HOLDING SAID PORTION IN ITS CLOSED POSITION AND OPERABLE TO A SETTING IN WHICH SAID PORTION CAN BE MOVED TO ITS OPEN POSITION ONLY WHEN THE RESILIENTLY BIASED MEANS IS IN ITS INEFFECTIVE POSITION.
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) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |