US3494809A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Semiconductor processing
Assignee: Honeywell Inc
•
Filing: 1967-06-05
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Granted: 1970-02-10
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Expires: 1987-06-05
Abstract
No abstract record available.
Inventors
- 👤 Carl A Ross
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:34
CPC Classifications
H; H10; H10P; H10P14/00; H10P14/60; H10P14/69; H10P14/694; H10P14/6943; H10P14/69433; H10D; H10D84/00; H10D84/01; H10D84/0123; H10D84/0126; H10D84/0158; H10P76/00; H10P76/40; Y; Y10; Y10S; Y10S148/00; Y10S148/007; Y10S148/017; Y10S148/037; Y10S148/043; Y10S148/05; Y10S148/052; Y10S148/085; Y10S148/114
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 |