US2198616A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle spring suspension
Assignee: Hickman Pneumatic Seat Co Inc
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Filing: 1937-03-16
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Granted: 1940-04-30
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Expires: 1957-03-16
Abstract
No abstract record available.
Inventors
- 👤 Albert F Hickman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:17
CPC Classifications
B; B60; B60G; B60G11/00; B60G11/32; B60G11/34; B60G11/44; B60G11/02; B60G11/10; B60G11/107; B60G17/00; B60G17/005; B60G5/00; B60G5/04; B60G5/053; B60G9/00; B60G2200/00; B60G2200/30; B60G2200/318; B60G2200/32; B60G2202/00; B60G2202/10; B60G2202/11; B60G2202/112; B60G2204/00; B60G2204/10; B60G2204/12; B60G2204/121; B60G2204/40; B60G2204/423; B60G2204/4232; B60G2204/46
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1943-04-30 | 1943-10-30 | 1944-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-04-30 | 1947-10-30 | 1948-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-04-30 | 1951-10-30 | 1952-04-30 | $7700.00 | Window Closed / Lapsed |