US917543A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roofing material.
Assignee: Merchant & Evans Co
•
Filing: 1907-05-17
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Granted: 1909-04-06
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Expires: 1927-05-17
Abstract
No abstract record available.
Inventors
- 👤 Andrew J Cohen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:50
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/02; E04C2/26; C; C03; C03C; C03C17/00; C03C17/34; C03C17/36; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31652; Y10T428/31659
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) | 1912-04-05 | 1912-10-05 | 1913-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-04-05 | 1916-10-05 | 1917-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-04-05 | 1920-10-05 | 1921-04-06 | $7700.00 | Window Closed / Lapsed |