Patent US835478A successfully refreshed from Google Patents.
US835478A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet-metal seam.
Assignee: Individual
•
Filing: 1905-12-04
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Granted: 1906-11-06
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Expires: 1925-12-04
Abstract
No abstract record available.
Inventors
- 👤 Nils P Sjobring
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:39
CPC Classifications
E; E06; E06B; E06B1/00; E06B1/04; E06B1/12; E06B1/14; E06B1/16; E04; E04F; E04F2201/00; E04F2201/01; E04F2201/0107; E04F2201/0115
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) | 1909-11-05 | 1910-05-07 | 1910-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1913-11-05 | 1914-05-07 | 1914-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1917-11-05 | 1918-05-07 | 1918-11-06 | $7700.00 | Window Closed / Lapsed |