US568298A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making underground conductors
Assignee: —
•
Filing: —
•
Granted: 1896-09-22
•
Expires: 1913-09-22
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:18
CPC Classifications
B; B29; B29D; B29D23/00; B29D23/001; C; C03; C03B; C03B19/00; C03B19/02; H; H01; H01B; H01B7/00; H01B7/02; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/4998; Y10T29/49982; Y10T29/49984
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) | 1899-09-22 | 1900-03-24 | 1900-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1903-09-23 | 1904-03-24 | 1904-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1907-09-23 | 1908-03-24 | 1908-09-23 | $7700.00 | Window Closed / Lapsed |