Patent US868524A successfully refreshed from Google Patents.
US868524A
Expired / Lapsed
US
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Culvert.
Assignee: Individual
•
Filing: 1907-06-20
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Granted: 1907-10-15
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Expires: 1927-06-20
Abstract
No abstract record available.
Inventors
- 👤 John S Bayer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:45
CPC Classifications
F; F16; F16L; F16L13/00; F16L13/14; F16L13/141; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/49917; Y10T29/49918; Y10T29/49925; Y10T29/49927; Y10T29/49929
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) | 1910-10-14 | 1911-04-15 | 1911-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1914-10-14 | 1915-04-15 | 1915-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1918-10-14 | 1919-04-15 | 1919-10-15 | $7700.00 | Window Closed / Lapsed |