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Patent US3455749A successfully refreshed from Google Patents.
US3455749A
Expired / Lapsed
US
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Particulate explosive coated with discrete particles of polytetrafluoroethylene
Assignee: Imperial Chemical Industries Ltd
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Filing: 1968-06-19
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Granted: 1969-07-15
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Expires: 1988-06-19
Abstract
No abstract record available.
Inventors
- 👤 Robert Stewart Gow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:23
CPC Classifications
C; C06; C06B; C06B45/00; C06B45/18; C06B45/20; C06B45/22; C06B45/24; C06B45/04; C06B45/06; C06B45/10; C06C; C06C5/00; C06C5/04; Y; Y10; Y10S; Y10S149/00; Y10S149/11
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3326731A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-14 | 1973-01-13 | 1973-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-14 | 1977-01-13 | 1977-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-14 | 1981-01-13 | 1981-07-15 | $7700.00 | Window Closed / Lapsed |