Patent US2048388A successfully refreshed from Google Patents.
US2048388A
Expired / Lapsed
US
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Safety device
Assignee: HARRY T GOSS
•
Filing: 1933-12-01
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Granted: 1936-07-21
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Expires: 1953-12-01
Abstract
No abstract record available.
Inventors
- 👤 Johnsen Bjornulf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:37
CPC Classifications
F; F16; F16L; F16L55/00; F16L55/10; F16L55/1007; B; B67; B67D; B67D7/00; B67D7/06; B67D7/32; B67D7/3218; Y; Y10; Y10T; Y10T137/00; Y10T137/1624; Y10T137/1632; Y10T137/1639; Y10T137/1654; Y10T137/1797; Y10T137/1812; Y10T137/1819; Y10T29/00; Y10T29/49; Y10T29/49758; Y10T29/4976; Y10T29/4981; Y10T29/49826
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) | 1939-07-21 | 1940-01-20 | 1940-07-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-07-21 | 1944-01-20 | 1944-07-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-07-21 | 1948-01-20 | 1948-07-21 | $7700.00 | Window Closed / Lapsed |