Patent US1597993A successfully refreshed from Google Patents.
US1597993A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal shingle
Assignee: Individual
•
Filing: 1923-02-20
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Granted: 1926-08-31
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Expires: 1943-02-20
Abstract
No abstract record available.
Inventors
- 👤 George B Meurer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:09
CPC Classifications
E; E04; E04D; E04D1/00; E04D1/26; E04D1/265; E04D1/29; E04D1/2907; E04D1/2914; E04D1/2916; E04D1/2956; E04D3/00; E04D3/36; E04D3/361; E04D3/362
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) | 1929-08-30 | 1930-03-01 | 1930-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1933-08-30 | 1934-03-01 | 1934-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1937-08-30 | 1938-03-01 | 1938-08-31 | $7700.00 | Window Closed / Lapsed |