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 15:03
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.
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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 |