US3494709A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Single crystal metallic part
Assignee: RTX Corp
•
Filing: 1966-02-17
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Granted: 1970-02-10
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Expires: 1986-02-17
Abstract
No abstract record available.
Inventors
- 👤 Barry J Piearcey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:37
CPC Classifications
C; C30; C30B; C30B11/00; C30B11/14; B; B22; B22D; B22D27/00; B22D27/04; B22D27/045; C22; C22C; C22C19/00; C30B29/00; C30B29/10; C30B29/52; Y; Y10; Y10S; Y10S117/00; Y10S117/901; Y10S117/902; Y10S415/00; Y10S415/915; Y10T; Y10T428/00; Y10T428/12; Y10T428/12375; Y10T428/12389; Y10T428/12403; Y10T428/12465
Claims Analysis
Total Claims: 0
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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) | 1973-02-09 | 1973-08-11 | 1974-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-09 | 1977-08-11 | 1978-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-09 | 1981-08-11 | 1982-02-10 | $7700.00 | Window Closed / Lapsed |