US1354442A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Progressively-burning powder and proccess of making the same
Assignee: EIDP Inc
•
Filing: 1920-02-25
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Granted: 1920-09-28
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Expires: 1940-02-25
Abstract
No abstract record available.
Inventors
- 👤 Jr Richard G Woodbridge
- 👤 Kellogg K V Casey
- 👤 Clarence I B Henning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:20
CPC Classifications
C; C06; C06B; C06B45/00; C06B45/18; C06B45/20; C06B45/22; C06B45/24; C06B45/26; C06B21/00; C06B21/0083
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) | 1923-09-28 | 1924-03-29 | 1924-09-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1927-09-28 | 1928-03-29 | 1928-09-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1931-09-28 | 1932-03-29 | 1932-09-28 | $7700.00 | Window Closed / Lapsed |