US3535766A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine assembly method
Assignee: International Business Machines Corp
•
Filing: 1967-12-12
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Granted: 1970-10-27
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Expires: 1987-12-12
Abstract
No abstract record available.
Inventors
- 👤 Lawrence Hymes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 04:04
CPC Classifications
B; B21; B21D; B21D26/00; B21D26/02; B21D26/053; B21D26/055; B21D39/00; B21D39/03; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49805; Y10T29/49826; Y10T29/4984; Y10T29/49895; Y10T29/49902; Y10T29/49908; Y10T29/49915; Y10T29/49925; Y10T74/00; Y10T74/21; Y10T74/2186
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3121944A
Cited
US3200551A
Cited
US3345736A
Cited
US3339270A
Cited
US3340101A
Cited
US3354535A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-10-26 | 1974-04-27 | 1974-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-10-26 | 1978-04-27 | 1978-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-10-26 | 1982-04-27 | 1982-10-27 | $7700.00 | Window Closed / Lapsed |