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US34538A
Expired / Lapsed
US
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Improvement in military hats
Assignee: —
•
Filing: —
•
Granted: 1862-02-25
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Expires: 1879-02-25
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:01
CPC Classifications
A; A42; A42B; A42B1/00; A42B1/018; A42B1/0186; A42B1/04; A42B1/06; Y; Y10; Y10S; Y10S428/00; Y10S428/906; Y10S428/912
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) | 1865-02-24 | 1865-08-26 | 1866-02-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1869-02-24 | 1869-08-26 | 1870-02-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1873-02-24 | 1873-08-26 | 1874-02-25 | $7700.00 | Window Closed / Lapsed |