US3339271A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of hot working titanium and titanium base alloys
Assignee: Wyman Gordon Co
•
Filing: 1964-07-01
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Granted: 1967-09-05
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Expires: 1984-07-01
Abstract
No abstract record available.
Inventors
- 👤 George L Durfee
- 👤 Frank G Tahmoush
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:04
CPC Classifications
C; C22; C22F; C22F1/00; C22F1/16; C22F1/18; C22F1/183; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4981; Y10T29/49812; Y10T29/4998; Y10T29/49988
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
IN THE HOT WORKING OF TITANIUM AND TITANIUM BASE ALLOYS, WHEREIN UNSHAPED BLANKS OF SUCH METALS ARE SUBJECTED TO PROLONGED HEATING IN A FURNACE, TO AN ELEVATED TEMPERATURE IN THE RANGE OF 1600* TO 1850*F., BEFORE BEING HOT WORKED TO A DESIRED OR PREDETERMINED SHAPE, THE IMPROVEMENT WHICH CONSISTS IN DEPOSITING ELECTROLESSLY AND CATALYTICALLY ON EACH UNSHAPED BLANK, PRIOR TO ITS SAID HEATING, A THIN NICKEL-PHOSPHORUS PLATING BY CHEMICAL REDUCTION IN AN AQUEOUS SOLUTION WHEREIN EACH UNSHAPED UNHEATED BLANK IS TEMPORARILY SUBMERGED, THE PLATING BEING DIFUSSION BONDED TO SAID BLANK BY SAID HEATING.
Claim 2
Dependent Claim
93 words
IN THE HOT WORKING OF TITANIUM AND TITANIUM BASE ALLOYS, WHEREIN UNSHAPED BLANKS OF SUCH METALS ARE SUBJECTED TO PROLONGED HEATING IN A FURNACE, TO AN ELEVATED TEMPERATURE IN THE RANGE OF 1600* TO 1850*F., BEFORE BEING HOT WORKED TO A DESIRED OR PREDETERMINED SHAPE, THE IMPROVEMENT WHICH CONSISTS IN DEPOSITING ELECTROLESSLY AND CATALYTICALLY ON EACH UNSHAPED BLANK, PRIOR TO ITS SAID HEATING, A THIN NICKEL-PHOSPHORUS PLATING BY CHEMICAL REDUCTION IN AN AQUEOUS SOLUTION WHEREIN EACH UNSHAPED UNHEATED BLANK IS TEMPORARILY SUBMERGED, THE PLATING BEING DIFUSSION BONDED TO SAID BLANK BY SAID HEATING.
References Cited (Backward Citations)
US1345441A
Cited
US2653494A
Cited
US2992135A
Cited
US2900715A
Cited
US3080643A
Cited
US3040426A
Cited
US3147547A
Cited
US3154849A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-04 | 1971-03-06 | 1971-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-04 | 1975-03-06 | 1975-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-04 | 1979-03-06 | 1979-09-05 | $7700.00 | Window Closed / Lapsed |