Patent US2047704A successfully refreshed from Google Patents.
US2047704A
Expired / Lapsed
US
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Handle
Assignee: Individual
•
Filing: 1932-12-30
•
Granted: 1936-07-14
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Expires: 1952-12-30
Abstract
No abstract record available.
Inventors
- 👤 Podolsky Jacob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:01
CPC Classifications
F; F16; F16K; F16K31/00; F16K31/44; F16K31/60; Y; Y10; Y10S; Y10S16/00; Y10S16/30; Y10T; Y10T292/00; Y10T292/85; Y10T292/858; Y10T403/00; Y10T403/70; Y10T403/7016; Y10T403/7041
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) | 1939-07-14 | 1940-01-13 | 1940-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-07-14 | 1944-01-13 | 1944-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-07-14 | 1948-01-13 | 1948-07-14 | $7700.00 | Window Closed / Lapsed |