Patent US3324846A successfully refreshed from Google Patents.
US3324846A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for drying fields
Assignee: Individual
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Filing: 1964-11-06
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Granted: 1967-06-13
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Expires: 1984-11-06
Abstract
No abstract record available.
Inventors
- 👤 Albert A Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:08
CPC Classifications
A; A63; A63C; A63C19/00; A63C19/12; E; E01; E01H; E01H1/00; E01H1/08; E01H1/0809
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
APPARATUS FOR REMOVING MOISTURE FROM A PLAYING FIELD AND FOR PREVENTING PRECIPITATION FROM COLLECTING THEREON, COMPRISING A FLEXIBLE, IMPERVIOUS COVERING TO PLACE ON THE FIELD, A COMPRESSOR FOR SUPPLYING COMPRESSED AIR TO THE SPACE BETWEEN THE COVERING AND THE FIELD INTO WHICH AIR THE MOISTURE CAN EVAPORATE WHEREBY THE AIR PICKS UP MOISTURE FROM THE GROUND, AND SECURING MEANS TO ANCHOR THE FLEXIBLE COVERING AGAINST THE GROUND AT INTERMITTEN LOCATIONS AROUND THE PERIPHERY OF SAID COVERING
Claim 2
Dependent Claim
76 words
APPARATUS FOR REMOVING MOISTURE FROM A PLAYING FIELD AND FOR PREVENTING PRECIPITATION FROM COLLECTING THEREON, COMPRISING A FLEXIBLE, IMPERVIOUS COVERING TO PLACE ON THE FIELD, A COMPRESSOR FOR SUPPLYING COMPRESSED AIR TO THE SPACE BETWEEN THE COVERING AND THE FIELD INTO WHICH AIR THE MOISTURE CAN EVAPORATE WHEREBY THE AIR PICKS UP MOISTURE FROM THE GROUND, AND SECURING MEANS TO ANCHOR THE FLEXIBLE COVERING AGAINST THE GROUND AT INTERMITTEN LOCATIONS AROUND THE PERIPHERY OF SAID COVERING
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) | 1970-06-12 | 1970-12-12 | 1971-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-12 | 1974-12-12 | 1975-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-12 | 1978-12-12 | 1979-06-13 | $7700.00 | Window Closed / Lapsed |