US3033555A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Torsion means spring device
Assignee: FRIEDRICH KARL STOLL
•
Filing: 1954-06-16
•
Granted: 1962-05-08
•
Expires: 1974-06-16
Abstract
No abstract record available.
Inventors
- 👤 Stoll Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:06
CPC Classifications
B; B60; B60G; B60G21/00; B60G21/02; B60G21/04; B60G21/05; B60G21/055; B01; B01D; B01D35/00; B01D35/005; B01D46/00; B01D46/0002; B01D46/0005; B01D46/0027; B01D46/003; B01D46/0031; B01D46/24; B60G11/00; B60G11/18; G; G01; G01G; G01G23/00; B60G2202/00; B60G2202/10; B60G2202/13; B60G2202/135; B60G2202/1351
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US118452A
Cited
US199810A
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US365009A
Cited
US408519A
Cited
US2103590A
Cited
FR891335A
Cited
FR882242A
Cited
FR52759E
Cited
FR924210A
Cited
FR1030977A
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 |