Patent US3241173A successfully refreshed from Google Patents.
US3241173A
Expired / Lapsed
US
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Multi-purpose device
Assignee: Finn Corp
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Filing: 1964-02-24
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Granted: 1966-03-22
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Expires: 1984-02-24
Abstract
No abstract record available.
Inventors
- 👤 Charles O Finn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:12
CPC Classifications
A; A01; A01C; A01C3/00; A01C3/06; A01C15/00; A01C15/04; E; E01; E01H; E01H1/00; E01H1/08; E01H1/0827; E01H1/0836; E01H1/0845
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
194 words
A MULTI-PURPOSE SERVICE APPARATUS FOR PREPARING AND MAINTAINING LAWN AREAS, COMPRISING IN COMBINATION: A VEHICLE INCLUDING A TRACTIONAL ELONGATE FRAME, A BLOWER ON THE FRAME INCLUDING A SUBSTANTIALLY CYLINDRICAL DRUMLIKE HOLLOW HOUSING HAVING A REAR WALL, A FRONT WALL APERTURED TO PROVIDE A PORT FOR AIR INTAKE, AND A SIDE WALL HAVING A PORT FOR AIR DISCHARGE, A ROTARY IMPELLER WITHIN THE HOUSING FOR MOVING A CURRENT OF AIR THROUGH SAID PORTS, MEANS ON THE FRAME FOR ROTATING SAID IMPELLER, QUICKLY INTERCHANGEABLE ATTACHMENTS ALTERNATIVELY ATTACHABLE TO SAID BLOWER HOUSING IN COVERING RELATION TO THE INTAKE PORT, FOR SUCTION-LIFTING LOOSE DEBRIS FROM THE LAWN AREA, OR FOR INTRODUCING LAWN TREATING MATERIAL INTO THE INTAKE PORT FOR EXHAUST THROUGH THE DISCHARGE PORT, MEANS SELECTIVELY POSITIONING THE HOUSING FOR SHIFTING THE DISCHARGE PORT TO EXHAUST AIR FROM THE HOUSING IN SELECTED DIRECTIONS TRANSVERSELY OF THE TRACTIONAL FRAME, CONDUIT MEANS INCLUDING A DIRIGIBLE NOZZLE ASSOCIATED WITH THE DISCHARGE PORT, FOR BROADCASTING AIR-BORNE MATERIAL EXHAUSTED THROUGH SAID DISCHARGE PORT, AND MEANS FOR ATTACHING THE ATTACHMENTS INCLUDING CHANNELED PARALLEL GUIDES FIXED ADJACENT THE INLET AND A CROSS MEMBER CONNECTING THE GUIDES AND FORMING A SEAL AND STOP FOR THE ATTACHMENTS.
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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) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |