US2219370A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Indicator support
Assignee: Individual
•
Filing: 1939-01-10
•
Granted: 1940-10-29
•
Expires: 1959-01-10
Abstract
No abstract record available.
Inventors
- 👤 Jr Winslow S Pierce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:56
CPC Classifications
F; F16; F16M; F16M11/00; F16M11/20; F16M11/22; F16M11/02; F16M11/04; F16M11/06; F16M11/10; F16M11/2007; F16M11/2021; F16M13/00; F16M13/02; Y; Y10; Y10S; Y10S248/00; Y10S248/904; Y10S29/00; Y10S29/105; Y10S33/00; Y10S33/01; Y10T; Y10T29/00; Y10T29/53; Y10T29/53909; Y10T409/00; Y10T409/30
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) | 1943-10-29 | 1944-04-29 | 1944-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-10-29 | 1948-04-29 | 1948-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-10-29 | 1952-04-29 | 1952-10-29 | $7700.00 | Window Closed / Lapsed |