US3271561A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for thermally evaporating various materials in vacuums for producing thin films
Assignee: Lockheed Martin Corp
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Filing: 1964-03-02
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Granted: 1966-09-06
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Expires: 1984-03-02
Abstract
No abstract record available.
Inventors
- 👤 Wallace A Fiedler
- 👤 Gilbert H Ross
- 👤 Robert A Estock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:45
CPC Classifications
C; C23; C23C; C23C14/00; C23C14/22; C23C14/24; C23C14/243; Y; Y10; Y10S; Y10S148/00; Y10S148/006
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) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |