US35526A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improved mode of making buildings water-proof
Assignee: —
•
Filing: —
•
Granted: 1862-06-10
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Expires: 1879-06-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:40
CPC Classifications
E; E04; E04F; E04F21/00; B; B29; B29C; B29C66/00; B29C66/40; B29C66/41; B29C66/43
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) | 1865-06-09 | 1865-12-09 | 1866-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1869-06-09 | 1869-12-09 | 1870-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1873-06-09 | 1873-12-09 | 1874-06-10 | $7700.00 | Window Closed / Lapsed |