US3453714A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum operated chip placement head
Assignee: International Business Machines Corp
•
Filing: 1967-02-10
•
Granted: 1969-07-08
•
Expires: 1987-02-10
Abstract
No abstract record available.
Inventors
- 👤 Kendall Clark
- 👤 Thomas J Rajac
- 👤 George R Santillo Jr
- 👤 Walter J Schuelke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:57
CPC Classifications
H; H10; H10P; H10P72/00; H10P72/04; H10P72/0446; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53039; Y10T29/53061; Y10T29/5313; Y10T29/53174; Y10T29/53178; Y10T29/53191; Y10T29/53313; Y10T29/53378
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2494474A
Cited
US3056317A
Cited
US3083291A
Cited
US3165818A
Cited
US3337941A
Cited
US3344900A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-07 | 1973-01-06 | 1973-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-07 | 1977-01-06 | 1977-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-07 | 1981-01-06 | 1981-07-08 | $7700.00 | Window Closed / Lapsed |