Patent US1911987A successfully refreshed from Google Patents.
US1911987A
Expired / Lapsed
US
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Fuel tank filling and protecting device
Assignee: National Pneumatic Co Inc
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Filing: 1932-06-15
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Granted: 1933-05-30
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Expires: 1952-06-15
Abstract
No abstract record available.
Inventors
- 👤 Frank E Casey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:18
CPC Classifications
B; B67; B67D; B67D7/00; B67D7/06; B67D7/32; B60; B60K; B60K15/00; B60K15/03; B60K15/04; B60K15/0403; B67D7/36; B67D7/362; B67D7/365; Y; Y10; Y10S; Y10S285/00; Y10S285/92; Y10T; Y10T137/00; Y10T137/8593; Y10T137/87917; Y10T137/87925; Y10T137/87941; Y10T137/87949; Y10T137/87957
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) | 1936-05-29 | 1936-11-28 | 1937-05-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-05-29 | 1940-11-28 | 1941-05-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-05-29 | 1944-11-28 | 1945-05-30 | $7700.00 | Window Closed / Lapsed |