Patent US3468414A successfully refreshed from Google Patents.
US3468414A
Expired / Lapsed
US
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Instant paper-mache
Assignee: ACTIVA CORP
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Filing: 1967-03-10
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Granted: 1969-09-23
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Expires: 1987-03-10
Abstract
No abstract record available.
Inventors
- 👤 Fritz B Harris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:07
CPC Classifications
C; C04; C04B; C04B40/00; C04B40/06; C04B40/0608; C04B28/00; C04B28/14; C04B2103/00; C04B2103/60; C04B2103/67; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/91
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-22 | 1973-03-24 | 1973-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-22 | 1977-03-24 | 1977-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-22 | 1981-03-24 | 1981-09-23 | $7700.00 | Window Closed / Lapsed |