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US815541A
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Assignee: CHARLES E GREENWALD
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Filing: 1905-04-17
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Granted: 1906-03-20
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Expires: 1925-04-17
Abstract
No abstract record available.
Inventors
- 👤 Franklin T Leatherman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:02
CPC Classifications
F; F16; F16B; F16B39/00; F16B39/22; F16B39/28; F16B39/284; F16B39/286
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) | 1909-03-19 | 1909-09-18 | 1910-03-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1913-03-19 | 1913-09-18 | 1914-03-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1917-03-19 | 1917-09-18 | 1918-03-20 | $7700.00 | Window Closed / Lapsed |