Patent US1928306A successfully refreshed from Google Patents.
US1928306A
Expired / Lapsed
US
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Collapsible bullet shield structure for automobiles
Assignee: Individual
•
Filing: 1933-02-10
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Granted: 1933-09-26
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Expires: 1953-02-10
Abstract
No abstract record available.
Inventors
- 👤 Thomas F Brennan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:29
CPC Classifications
F; F41; F41H; F41H5/00; F41H5/22; F41A; F41A23/00; F41A23/20; F41H5/223
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) | 1936-09-25 | 1937-03-27 | 1937-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-09-25 | 1941-03-27 | 1941-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-09-25 | 1945-03-27 | 1945-09-26 | $7700.00 | Window Closed / Lapsed |