Patent US3250000A successfully refreshed from Google Patents.
US3250000A
Expired / Lapsed
US
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Assignee: Individual
•
Filing: 1964-09-14
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Granted: 1966-05-10
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Expires: 1984-09-14
Abstract
No abstract record available.
Inventors
- 👤 Lawrence R Schumann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:05
CPC Classifications
A; A47; A47L; A47L13/00; A47L13/02; A47L13/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
A SCRAPING TOOL COMPRISING A MEMBER CONSISTING OF A HANDLE AND A RECTANGULAR HEAD, SAID HEAD HAVING A TRANSVERSE CHANNEL IN ITS UNDER FACE AND A HOLE THERETHROUGH HALF-WAY BETWEEN SAID CHANNEL AND THE END OF THE HEAD, A BLADE MOUNTED AGAINST THE UNDER FACE OF SAID HEAD, SAID BLADE HAVING A BODY COMPRISING A RECTANGULAR PLATE WITH A FLANGE ALING ONE EDGE OF THE BODY EXTENDING INTO SAID CHANNELM SAID FLANGE BEING INCLINED WITH RESPECT TO THE PLANE OF SAID BODY AND TERMINATING IN A SHARP EDGE, SAID BODY HAVING A SECOND FLANGE ALONG THE OPPOSITE EDGE THEREOF AND INCLINED FRM THE PLANE OF THE BODY IN THE OPPOSITE DIRECTIO, SAID SECOND FLANGE TERMINATING IN A SHART EDGE, AND FASTENING MEANS THROUGH THE CENTER OF SAID BLADE AND THROUGH SAID HOLE RELEASABLE TO PERMIT ANGULAR ADJUSTMENT OF SAID BLADE LIMITED BY ENGAGEMENT OF THE FLANGE IN THE CHANNEL WITH ONE OF THE OTHER SIDE OF THE CHANNEL.
Claim 2
Dependent Claim
158 words
A SCRAPING TOOL COMPRISING A MEMBER CONSISTING OF A HANDLE AND A RECTANGULAR HEAD, SAID HEAD HAVING A TRANSVERSE CHANNEL IN ITS UNDER FACE AND A HOLE THERETHROUGH HALF-WAY BETWEEN SAID CHANNEL AND THE END OF THE HEAD, A BLADE MOUNTED AGAINST THE UNDER FACE OF SAID HEAD, SAID BLADE HAVING A BODY COMPRISING A RECTANGULAR PLATE WITH A FLANGE ALING ONE EDGE OF THE BODY EXTENDING INTO SAID CHANNELM SAID FLANGE BEING INCLINED WITH RESPECT TO THE PLANE OF SAID BODY AND TERMINATING IN A SHARP EDGE, SAID BODY HAVING A SECOND FLANGE ALONG THE OPPOSITE EDGE THEREOF AND INCLINED FRM THE PLANE OF THE BODY IN THE OPPOSITE DIRECTIO, SAID SECOND FLANGE TERMINATING IN A SHART EDGE, AND FASTENING MEANS THROUGH THE CENTER OF SAID BLADE AND THROUGH SAID HOLE RELEASABLE TO PERMIT ANGULAR ADJUSTMENT OF SAID BLADE LIMITED BY ENGAGEMENT OF THE FLANGE IN THE CHANNEL WITH ONE OF THE OTHER SIDE OF THE CHANNEL.
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) | 1969-05-09 | 1969-11-08 | 1970-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-09 | 1973-11-08 | 1974-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-09 | 1977-11-08 | 1978-05-10 | $7700.00 | Window Closed / Lapsed |