Patent US1151113A successfully refreshed from Google Patents.
US1151113A
Expired / Lapsed
US
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Method of producing condensation products.
Assignee: DuPont Powder Coatings USA Inc
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Filing: 1912-08-19
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Granted: 1915-08-24
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Expires: 1932-08-19
Abstract
No abstract record available.
Inventors
- 👤 Howard W Matheson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:04
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/61; C07C45/67; C07C45/68; C07C45/72
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) | 1918-08-23 | 1919-02-22 | 1919-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-08-23 | 1923-02-22 | 1923-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-08-23 | 1927-02-22 | 1927-08-24 | $7700.00 | Window Closed / Lapsed |