US689809A
Expired / Lapsed
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Assignee: Individual
•
Filing: 1901-04-23
•
Granted: 1901-12-24
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Expires: 1921-04-23
Abstract
No abstract record available.
Inventors
- 👤 Frank P Keenan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:30
CPC Classifications
E; E05; E05B; E05B55/00; E05B55/005; Y; Y10; Y10S; Y10S292/00; Y10S292/27; Y10T; Y10T70/00; Y10T70/50; Y10T70/5093; Y10T70/5155; Y10T70/5199; Y10T70/5372; Y10T70/5385; Y10T70/5389; Y10T70/5496
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) | 1904-12-23 | 1905-06-24 | 1905-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1908-12-23 | 1909-06-24 | 1909-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1912-12-23 | 1913-06-24 | 1913-12-24 | $7700.00 | Window Closed / Lapsed |