Patent US92551A successfully refreshed from Google Patents.
US92551A
Expired / Lapsed
US
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Improvement in lightning-rods
Assignee: —
•
Filing: —
•
Granted: 1869-07-13
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Expires: 1886-07-13
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:51
CPC Classifications
D; D07; D07B; D07B1/00; D07B1/06; D07B1/0606; D07B1/062; B; B60; B60C; B60C9/00; B60C9/0007; H; H05; H05B; H05B3/00; H05B3/02; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12333; Y10T428/12375; Y10T428/12493; Y10T428/12771; Y10T428/12861; Y10T428/12903; Y10T428/12917
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) | 1872-07-12 | 1873-01-11 | 1873-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1876-07-12 | 1877-01-11 | 1877-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1880-07-12 | 1881-01-11 | 1881-07-13 | $7700.00 | Window Closed / Lapsed |