US3103035A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slotted tube torsion bar
Assignee: Individual
•
Filing: 1961-11-15
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Granted: 1963-09-10
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Expires: 1981-11-15
Abstract
No abstract record available.
Inventors
- 👤 Roland A Magnuson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:02
CPC Classifications
F; F41; F41H; F41H5/00; F41H5/22; F41H5/223; E; E05; E05F; E05F1/00; E05F1/08; E05F1/10; E05F1/12; E05F1/123; F16; F16C; F16C3/00; F16C3/02; E05Y; E05Y2900/00; E05Y2900/50; E05Y2900/504; Y; Y10; Y10T; Y10T74/00; Y10T74/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-09 | 1967-03-11 | 1967-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-09 | 1971-03-11 | 1971-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-09 | 1975-03-11 | 1975-09-10 | $7700.00 | Window Closed / Lapsed |