US921002A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making fire, water, and oil resistant articles.
Assignee: Individual
•
Filing: 1908-06-04
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Granted: 1909-05-11
•
Expires: 1928-06-04
Abstract
No abstract record available.
Inventors
- 👤 Isaiah L Roberts
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:02
CPC Classifications
D; D06; D06M; D06M11/00; D06M11/77; D06M11/79; B; B29; B29C; B29C43/00; C; C08; C08J; C08J7/00; C08J7/04; C08J7/0427; D06M2101/00; D06M2101/02; D06M2101/04; D06M2101/06; D06M2200/00; D06M2200/10; D06M2200/12
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) | 1912-05-10 | 1912-11-09 | 1913-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-05-10 | 1916-11-09 | 1917-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-05-10 | 1920-11-09 | 1921-05-11 | $7700.00 | Window Closed / Lapsed |