US3034110A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Support device
Assignee: International Business Machines Corp
•
Filing: 1958-06-30
•
Granted: 1962-05-08
•
Expires: 1978-06-30
Abstract
No abstract record available.
Inventors
- 👤 Leonard J Poch
- 👤 Robert R Schaffer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:41
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/48; G11B5/58; G11B5/60; G11B5/6005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2537657A
Cited
US2545363A
Cited
GB651016A
Cited
US2772135A
Cited
US2891797A
Cited
US2862781A
Cited
US2886651A
Cited
US2863004A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-07 | 1965-11-06 | 1966-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-07 | 1969-11-06 | 1970-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-07 | 1973-11-06 | 1974-05-08 | $7700.00 | Window Closed / Lapsed |