US3474530A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mass production of electronic devices
Assignee: International Business Machines Corp
•
Filing: 1967-02-03
•
Granted: 1969-10-28
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Expires: 1987-02-03
Abstract
No abstract record available.
Inventors
- 👤 Norman G Ainslie
- 👤 Devendra S Chhabra
- 👤 Donald W Jepsen
- 👤 Walter E Mutter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:57
CPC Classifications
H; H10; H10P; H10P54/00; H01; H01B; H01B13/00; H10D; H10D99/00; H10P95/00; Y; Y10; Y10S; Y10S438/00; Y10S438/927; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49004
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2799824A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-27 | 1973-04-28 | 1973-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-27 | 1977-04-28 | 1977-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-27 | 1981-04-28 | 1981-10-28 | $7700.00 | Window Closed / Lapsed |