Patent US3294434A successfully refreshed from Google Patents.
US3294434A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gold leaf placing device
Assignee: Individual
•
Filing: 1965-02-08
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Granted: 1966-12-27
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Expires: 1985-02-08
Abstract
No abstract record available.
Inventors
- 👤 William L Sinn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:17
CPC Classifications
B; B44; B44C; B44C1/00; B44C1/10; B44C1/14; B44C1/145
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
A LIFTER MEANS FOR HOLDING THIN LEAVES OR SHEETS AND TRANSFERRING THEM TO A SURFACE; THE LIFTER MEANS HAVING A PLURALITY OF WALLS FORMING A HEAD AND ENCLOSING AN AIR CHAMBER, ONE OF THE WALLS HAVING A PERFORATED SCREEN AGAINST WHICH A TRANSFER LEAF CAN BE HELD, AN OPENING IN ANOTHER WALL OF THE HEAD, A TUBE HAVING ONE END SWIVELLY CONNECTED IN SAID OPENING AND WHICH TUBE EXTENDS LATERALLY WITH RESPECT TO SAID SCREEN, AN AIR EXIT MEANS ASSOCIATED WITH SAID TUBE, A HANDLE MEANS CONNECTED TO THE TUBE AND EXTENDING THEREFROM AT AN ANGLE, SUCTION MEANS ASSOCIATED WITH THE TUBE SO THAT AIR CAN BE FORCED THROUGH THE SCREEN INTO THE CHAMBER AND HENCE THROUGH THE AIR EXIT MEANS AND THUS HOLD A LEAF TO THE SCREEN UNTIL THE LEAF IS RELEASED TO A SUITABLE SURFACE.
Claim 2
Dependent Claim
138 words
A LIFTER MEANS FOR HOLDING THIN LEAVES OR SHEETS AND TRANSFERRING THEM TO A SURFACE; THE LIFTER MEANS HAVING A PLURALITY OF WALLS FORMING A HEAD AND ENCLOSING AN AIR CHAMBER, ONE OF THE WALLS HAVING A PERFORATED SCREEN AGAINST WHICH A TRANSFER LEAF CAN BE HELD, AN OPENING IN ANOTHER WALL OF THE HEAD, A TUBE HAVING ONE END SWIVELLY CONNECTED IN SAID OPENING AND WHICH TUBE EXTENDS LATERALLY WITH RESPECT TO SAID SCREEN, AN AIR EXIT MEANS ASSOCIATED WITH SAID TUBE, A HANDLE MEANS CONNECTED TO THE TUBE AND EXTENDING THEREFROM AT AN ANGLE, SUCTION MEANS ASSOCIATED WITH THE TUBE SO THAT AIR CAN BE FORCED THROUGH THE SCREEN INTO THE CHAMBER AND HENCE THROUGH THE AIR EXIT MEANS AND THUS HOLD A LEAF TO THE SCREEN UNTIL THE LEAF IS RELEASED TO A SUITABLE SURFACE.
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) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |