Patent US3453122A successfully refreshed from Google Patents.
US3453122A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paint vehicle
Assignee: PQ Corp
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Filing: 1966-05-17
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Granted: 1969-07-01
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Expires: 1986-05-17
Abstract
No abstract record available.
Inventors
- 👤 Helmut Hans Wilhelm
- 👤 David I Netting
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:39
CPC Classifications
C; C04; C04B; C04B28/00; C04B28/24; C04B28/26; C09; C09D; C09D1/00; C09D5/00; C09D5/08; C09D5/10; C09D5/106; C04B2111/00; C04B2111/00474; C04B2111/00482
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
A COATING COMPOSITION FOR IMPARTING CORROSION RESISTANCE TO CORRODIBLE METAL SURFACES COMPRISING A FINELY DIVIDED METALLIC PIGMENT SELECTED FROM THE GROUP CONSISTING OF ZINC AND ALUMINUM, AND A BINDER CONSISTING ESSENTIALLY OF: (A) AN ORGANIC AMMONIUM SILICATE WHICH IS CHARACTERIZED BY THE FORMULA:
Claim 2
Dependent Claim
43 words
A COATING COMPOSITION FOR IMPARTING CORROSION RESISTANCE TO CORRODIBLE METAL SURFACES COMPRISING A FINELY DIVIDED METALLIC PIGMENT SELECTED FROM THE GROUP CONSISTING OF ZINC AND ALUMINUM, AND A BINDER CONSISTING ESSENTIALLY OF: (A) AN ORGANIC AMMONIUM SILICATE WHICH IS CHARACTERIZED BY THE FORMULA:
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) | 1972-06-30 | 1972-12-30 | 1973-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-30 | 1976-12-30 | 1977-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-30 | 1980-12-30 | 1981-07-01 | $7700.00 | Window Closed / Lapsed |