US1434166A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet-metal shingle
Assignee: ILLINOIS ZINC Co
•
Filing: 1921-02-23
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Granted: 1922-10-31
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Expires: 1941-02-23
Abstract
No abstract record available.
Inventors
- 👤 Thompson Sherman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:50
CPC Classifications
E; E04; E04D; E04D1/00; E04D1/12; E04D1/18; E04D1/23; E04D1/29; E04D1/2907; E04D1/2914; E04D1/2916; E04D1/2928; E04D1/2949
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) | 1925-10-30 | 1926-05-01 | 1926-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-10-30 | 1930-05-01 | 1930-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-10-30 | 1934-05-01 | 1934-10-31 | $7700.00 | Window Closed / Lapsed |