US3109083A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat blow gun with scraper
Assignee: MASTER APPLIANCE CORP
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Filing: 1960-10-19
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Granted: 1963-10-29
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Expires: 1980-10-19
Abstract
No abstract record available.
Inventors
- 👤 Henry E Meltzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:22
CPC Classifications
B; B44; B44D; B44D3/00; B44D3/16; B44D3/166; B44D3/168
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
181 words
A PAINT SCRAPER COMPRISING A MOTOR DRIVEN AIR BLOWER INCLUDING A MOTOR CASING AND AN IMPELLER CASING, SAID IMPELLER CASING HAVING AN AIR INLET OPENING AND A TANGETIALLY EXTENDING AIR OUTLET HEAD, A DOWNWARDLY EXTENDING MANIPULATING HANDLE CARRIED BY THE MOTOR AND IMPELLER CASING, AN ELONGATED NOZZLE CARRIED BY SAID AIR OUTLET HEAD AND HAVING COMMUNICATION THEREWITH AND THROUGH WHICH AIR PASSES, AN ELECTRIC HEATING ELEMENT WITHIN SAID NOZZLE FOR HEATING AIR PASSING THERETHROUGH, A SECOND MANIPULATING HANDLE STRUCTURE FOR THE SCRAPER INCLUDING AN L-SHAPED PLATE EXTENDING ACROSS THE IMPELLER CASING AND ALONG SAID NOZZLE AND TERMINATING IN FRONT OF SAID NOZZLE, MEANS SECURING THE PLATE TO THE IMPELLER CASING, A U-SHAPED HANDLE HAVING A HAND GRIP EXTENDING ABOVE SAID PLATE AND HAVING ONE LEG SECURED TO THE IMPELLER CASING AND ITS OTHER LEG RESTING ON THAT PORTION OF THE PLATE DISPOSED ABOVE THE NOZZLE, A SPLIT CLAMPING RING CARRIED BY SAID LAST MENTIONED LEG AND ENCIRCLING AND GRIPPING SAID NOZZLE, AND AN ANGULARLY EXTENDING BLADE CARRIED BY THE FORWARD END OF THE PLATE AND DISPOSED IN FRONT OF SAID NOZZLE.
Claim 2
Dependent Claim
181 words
A PAINT SCRAPER COMPRISING A MOTOR DRIVEN AIR BLOWER INCLUDING A MOTOR CASING AND AN IMPELLER CASING, SAID IMPELLER CASING HAVING AN AIR INLET OPENING AND A TANGETIALLY EXTENDING AIR OUTLET HEAD, A DOWNWARDLY EXTENDING MANIPULATING HANDLE CARRIED BY THE MOTOR AND IMPELLER CASING, AN ELONGATED NOZZLE CARRIED BY SAID AIR OUTLET HEAD AND HAVING COMMUNICATION THEREWITH AND THROUGH WHICH AIR PASSES, AN ELECTRIC HEATING ELEMENT WITHIN SAID NOZZLE FOR HEATING AIR PASSING THERETHROUGH, A SECOND MANIPULATING HANDLE STRUCTURE FOR THE SCRAPER INCLUDING AN L-SHAPED PLATE EXTENDING ACROSS THE IMPELLER CASING AND ALONG SAID NOZZLE AND TERMINATING IN FRONT OF SAID NOZZLE, MEANS SECURING THE PLATE TO THE IMPELLER CASING, A U-SHAPED HANDLE HAVING A HAND GRIP EXTENDING ABOVE SAID PLATE AND HAVING ONE LEG SECURED TO THE IMPELLER CASING AND ITS OTHER LEG RESTING ON THAT PORTION OF THE PLATE DISPOSED ABOVE THE NOZZLE, A SPLIT CLAMPING RING CARRIED BY SAID LAST MENTIONED LEG AND ENCIRCLING AND GRIPPING SAID NOZZLE, AND AN ANGULARLY EXTENDING BLADE CARRIED BY THE FORWARD END OF THE PLATE AND DISPOSED IN FRONT OF SAID NOZZLE.
References Cited (Backward Citations)
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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) | 1966-10-28 | 1967-04-29 | 1967-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-28 | 1971-04-29 | 1971-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-28 | 1975-04-29 | 1975-10-29 | $7700.00 | Window Closed / Lapsed |