Patent US720349A successfully refreshed from Google Patents.
US720349A
Expired / Lapsed
US
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Door-latch.
Assignee: Individual
•
Filing: 1902-11-11
•
Granted: 1903-02-10
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Expires: 1922-11-11
Abstract
No abstract record available.
Inventors
- 👤 Charles P Howard
- 👤 Frank E Howard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:28
CPC Classifications
E; E05; E05B; E05B65/00; E05B65/08; E05B65/0811; Y; Y10; Y10T; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5173; Y10T70/5177; Y10T70/5181; Y10T70/5199; Y10T70/5246; Y10T70/5296; Y10T70/5345; Y10T70/5354
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 |