US660307A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: Individual
•
Filing: 1900-02-26
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Granted: 1900-10-23
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Expires: 1920-02-26
Abstract
No abstract record available.
Inventors
- 👤 Thomas P Owen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:02
CPC Classifications
E; E05; E05B; E05B37/00; E05B37/08; E05B37/10; Y; Y10; Y10T; Y10T70/00; Y10T70/40; Y10T70/413; Y10T70/417; Y10T70/422; Y10T70/428; Y10T70/433; Y10T70/487; Y10T70/491; Y10T70/70; Y10T70/7153; Y10T70/735; Y10T70/7356; Y10T70/7362; Y10T70/7367; Y10T70/7379; Y10T70/739; Y10T70/7395
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) | 1903-10-23 | 1904-04-23 | 1904-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1907-10-23 | 1908-04-23 | 1908-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1911-10-23 | 1912-04-23 | 1912-10-23 | $7700.00 | Window Closed / Lapsed |