Patent US784909A successfully refreshed from Google Patents.
US784909A
Expired / Lapsed
US
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Hollow wooden column.
Assignee: HENRY G DAWSON
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Filing: 1904-11-30
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Granted: 1905-03-14
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Expires: 1924-11-30
Abstract
No abstract record available.
Inventors
- 👤 Andrew Westerling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:14
CPC Classifications
F; F16; F16L; F16L9/00; F16L9/16; B; B27; B27D; B27D1/00; B27D1/04; B27D1/08; B27D1/086
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) | 1908-03-13 | 1908-09-12 | 1909-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1912-03-13 | 1912-09-12 | 1913-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1916-03-13 | 1916-09-12 | 1917-03-14 | $7700.00 | Window Closed / Lapsed |