Patent US2049172A successfully refreshed from Google Patents.
Patent US3102038A successfully refreshed from Google Patents.
US3102038A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective coating
Assignee: Industrial Metal Protectives Inc
•
Filing: 1959-10-22
•
Granted: 1963-08-27
•
Expires: 1979-10-22
Abstract
No abstract record available.
Inventors
- 👤 Jr John R Fisher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:31
CPC Classifications
C; C04; C04B; C04B28/00; C04B28/24; C04B28/26; C04B2111/00; C04B2111/00474; C04B2111/00482
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
A TEMPORARY WATER-REMOVABLE AND WATER-SOLUBLE PROTECTIVE AND STOP-OFF COATING FOR APPLICATING TO THE SURFACE OF A METAL MEMBER TO PROTECT SUCH SURFACE FROM SCRATCHING AND OTHER MARRING IN HANDLING, SHIPMENT, SUBSEQUENT FABRICATION AND ASSEMBLY, CONSISTING ESSENTIALLY OF A LIQUID ADMIXTURE FOR LIQUID APPLICATION TO SAID SURFACE OF AN AQUEOUS SOLUBLE ALKALI METAL SILICATE IN WATER SOLUTION, SAID SILICATE HAVING AN ALKALI METAL OXIDE TO SILICON DIOXIDE RATIO OF BETWEEN 1:2 TO 1:3 AND A SPECIFIC GRAVITYY IN THE RANGE OF 1:3 TO 1.4, AN INORGANIC METAL SALT PIGMENT SELECTTED FROM THE GROUP CONSISTING OF CHROMATES AND DICHROMATES OF ZINC, LEAD, SODIUM, AND POTASSIUM, AND MIXTURES THEREOF, PRESENT IN SAID MIXTURE IN AN AMOUNT BETWEEN 0.45% AND ABOUT 1.9% BASED ON THE TOTAL WEIGHT OF SAID ADMIXTURE, AND AN INERT AND INSOLUBLE FILLER MATERIAL DISPERSED IN SAID ADMIXTURE.
Claim 2
Dependent Claim
137 words
A TEMPORARY WATER-REMOVABLE AND WATER-SOLUBLE PROTECTIVE AND STOP-OFF COATING FOR APPLICATING TO THE SURFACE OF A METAL MEMBER TO PROTECT SUCH SURFACE FROM SCRATCHING AND OTHER MARRING IN HANDLING, SHIPMENT, SUBSEQUENT FABRICATION AND ASSEMBLY, CONSISTING ESSENTIALLY OF A LIQUID ADMIXTURE FOR LIQUID APPLICATION TO SAID SURFACE OF AN AQUEOUS SOLUBLE ALKALI METAL SILICATE IN WATER SOLUTION, SAID SILICATE HAVING AN ALKALI METAL OXIDE TO SILICON DIOXIDE RATIO OF BETWEEN 1:2 TO 1:3 AND A SPECIFIC GRAVITYY IN THE RANGE OF 1:3 TO 1.4, AN INORGANIC METAL SALT PIGMENT SELECTTED FROM THE GROUP CONSISTING OF CHROMATES AND DICHROMATES OF ZINC, LEAD, SODIUM, AND POTASSIUM, AND MIXTURES THEREOF, PRESENT IN SAID MIXTURE IN AN AMOUNT BETWEEN 0.45% AND ABOUT 1.9% BASED ON THE TOTAL WEIGHT OF SAID ADMIXTURE, AND AN INERT AND INSOLUBLE FILLER MATERIAL DISPERSED IN SAID ADMIXTURE.
References Cited (Backward Citations)
GB453226A
Cited
US2311272A
Cited
US2449346A
Cited
US2485061A
Cited
US2493693A
Cited
US2540108A
Cited
US2680081A
Cited
US2665232A
Cited
US2711974A
Cited
US2806801A
Cited
US2807552A
Cited
US2978361A
Cited
US2998328A
Cited
US2988454A
Cited
US2989418A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-08-26 | 1967-02-25 | 1967-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-26 | 1971-02-25 | 1971-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-26 | 1975-02-25 | 1975-08-27 | $7700.00 | Window Closed / Lapsed |