US3480491A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vapor polishing technique
Assignee: International Business Machines Corp
•
Filing: 1965-11-17
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Granted: 1969-11-25
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Expires: 1985-11-17
Abstract
No abstract record available.
Inventors
- 👤 Arnold Reisman
- 👤 Horst R Leonhardt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:52
CPC Classifications
H; H10; H10P; H10P70/00; H10P70/10; H10P70/12; C; C23; C23F; C23F3/00; C23F3/04; H10P50/00; H10P50/20; H10P50/24; H10P50/246; Y; Y10; Y10S; Y10S148/00; Y10S148/051; Y10S148/054; Y10S148/115; Y10S438/00; Y10S438/909; Y10S438/971
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3393103A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-24 | 1973-05-26 | 1973-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-24 | 1977-05-26 | 1977-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-24 | 1981-05-26 | 1981-11-25 | $7700.00 | Window Closed / Lapsed |