US2991014A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for controlling smog
Assignee: G&WH Corson Inc
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Filing: 1960-08-31
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Granted: 1961-07-04
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Expires: 1980-08-31
Abstract
No abstract record available.
Inventors
- 👤 Minnick Leonard John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:11
CPC Classifications
A; A01; A01G; A01G15/00; A61; A61L; A61L9/00; A61L9/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
24 words
A METHOD FOR TREATING THE ATMOSPHERE TO COUNTERACT NOXIOUS AIR-BORNE WASTE WHICH COMPRISES DISPERSING IN THE ATMOSPHERE A MICROCRYSTALLINE CALCIUM COMPOUND OF THE FORMULA:
Claim 2
Independent Claim
24 words
A METHOD FOR TREATING THE ATMOSPHERE TO COUNTERACT NOXIOUS AIR-BORNE WASTE WHICH COMPRISES DISPERSING IN THE ATMOSPHERE A MICROCRYSTALLINE CALCIUM COMPOUND OF THE FORMULA:
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-03 | 1965-01-02 | 1965-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-03 | 1969-01-02 | 1969-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-03 | 1973-01-02 | 1973-07-04 | $7700.00 | Window Closed / Lapsed |