Patent US3399981A successfully refreshed from Google Patents.
US3399981A
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Tungsten-rhenium alloys
Assignee: Honeywell International Inc
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Filing: 1967-04-25
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Granted: 1968-09-03
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Expires: 1987-04-25
Abstract
No abstract record available.
Inventors
- 👤 Daniel J Maykuth
- 👤 Elmo P Bergeron
- 👤 John H Pearson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 05:29
CPC Classifications
C; C22; C22C; C22C1/00; C22C1/04; C22C1/045; B; B22; B22F; B22F9/00; B22F9/16; B22F9/18; B22F9/28; C22C27/00; C22C27/04; C22C32/00; C22C32/001; C22C32/0015; C22C32/0031; C23; C23C; C23C16/00; C23C16/06; C23C16/08; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/923; Y10S428/924; Y10S428/926; Y10S75/00; Y10S75/95; Y10T; Y10T428/00; Y10T428/12; Y10T428/12181; Y10T428/12493; Y10T428/12535; Y10T428/12611; Y10T428/12639; Y10T428/12771; Y10T428/12806; Y10T428/12812
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3178308A
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US3062638A
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US3177067A
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US3234067A
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US3236699A
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US3300285A
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US3343979A
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US3341320A
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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) | 1971-09-03 | 1972-03-04 | 1972-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-03 | 1976-03-04 | 1976-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-03 | 1980-03-04 | 1980-09-03 | $7700.00 | Window Closed / Lapsed |