US3419011A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: COLUMBIAN IND Inc
•
Filing: 1967-01-16
•
Granted: 1968-12-31
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Expires: 1987-01-16
Abstract
No abstract record available.
Inventors
- 👤 Norris Harrison Coleman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:55
CPC Classifications
B; B42; B42D; B42D5/00; B42D5/04; B42D5/046; B42D5/06; Y; Y10; Y10T; Y10T225/00; Y10T225/20; Y10T225/224
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1153543A
Cited
US1112036A
Cited
GB191500088A
Cited
DE403918C
Cited
US3340635A
Cited
US3620264A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-31 | 1972-07-01 | 1972-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-31 | 1976-07-01 | 1976-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-31 | 1980-07-01 | 1980-12-31 | $7700.00 | Window Closed / Lapsed |