US2340466A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Piston and like packing device
Assignee: Whitnash PLC
•
Filing: 1940-08-20
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Granted: 1944-02-01
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Expires: 1960-08-20
Abstract
No abstract record available.
Inventors
- 👤 Gosling Clive Austin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:04
CPC Classifications
F; F16; F16J; F16J15/00; F16J15/16; F16J15/32; B; B60; B60T; B60T11/00; B60T11/10; B60T11/16; B60T11/236
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) | 1947-01-31 | 1947-08-02 | 1948-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-01-31 | 1951-08-02 | 1952-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-01-31 | 1955-08-02 | 1956-02-01 | $7700.00 | Window Closed / Lapsed |