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US720337A
Expired / Lapsed
US
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Apparatus for tempering parts of guns or other tubular bodies.
Assignee: Individual
•
Filing: 1892-11-26
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Granted: 1903-02-10
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Expires: 1912-11-26
Abstract
No abstract record available.
Inventors
- 👤 Albert H Emery
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:32
CPC Classifications
H; H10; H10P; H10P72/00; H10P72/04; H10P72/0402; H10P72/0406; H10P72/0411; H10P72/0414
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) | 1906-02-09 | 1906-08-11 | 1907-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1910-02-09 | 1910-08-11 | 1911-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1914-02-09 | 1914-08-11 | 1915-02-10 | $7700.00 | Window Closed / Lapsed |