US3017264A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for desensitizing zirconium for use in primers
Assignee: Individual
•
Filing: 1959-07-28
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Granted: 1962-01-16
•
Expires: 1979-07-28
Abstract
No abstract record available.
Inventors
- 👤 Karlowicz Peter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:32
CPC Classifications
C; C23; C23C; C23C22/00; C23C22/05; C23C22/06; C23C22/34; B; B22; B22F; B22F1/00; B22F1/14; B22F1/145
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
A PROCESS FOR DESENSITIZING POWDERED ZIRCONIUM OF A SIZE ABOUT 10 TO 70 MICRONS COMPRISING THE TREATMENT OF SAID MATERIAL BY INTIMATE CONTACT WITH ABOUT A 1% SOLUTION OF HYDROFLURIC ACID IN WATER AT ABOUT ROOM TEMPERATURE FOR BETWEEN ABOUT 3 TO 5 MINUTES.
Claim 2
Dependent Claim
44 words
A PROCESS FOR DESENSITIZING POWDERED ZIRCONIUM OF A SIZE ABOUT 10 TO 70 MICRONS COMPRISING THE TREATMENT OF SAID MATERIAL BY INTIMATE CONTACT WITH ABOUT A 1% SOLUTION OF HYDROFLURIC ACID IN WATER AT ABOUT ROOM TEMPERATURE FOR BETWEEN ABOUT 3 TO 5 MINUTES.
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) | 1965-01-15 | 1965-07-17 | 1966-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-15 | 1969-07-17 | 1970-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-15 | 1973-07-17 | 1974-01-16 | $7700.00 | Window Closed / Lapsed |