Patent US3470290A successfully refreshed from Google Patents.
US3470290A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making plastic file folder
Assignee: Macoid Industries Inc
•
Filing: 1967-02-28
•
Granted: 1969-09-30
•
Expires: 1987-02-28
Abstract
No abstract record available.
Inventors
- 👤 Harry Poris
- 👤 George S Hendrie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 10:02
CPC Classifications
B; B42; B42F; B42F7/00; B42F7/02; B29; B29C; B29C53/00; B29C53/02; B29C53/04; B29C53/06; B42C; B42C7/00; B42C7/001; B29C59/00; B29C59/02; B29C59/04; B29K; B29K2023/00; B29K2023/04; B29K2023/06
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1971667A
Cited
US2582294A
Cited
US3083410A
Cited
US3104937A
Cited
US3350492A
Cited
US3383449A
Cited
US3320225A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-29 | 1973-03-31 | 1973-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-29 | 1977-03-31 | 1977-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-29 | 1981-03-31 | 1981-09-30 | $7700.00 | Window Closed / Lapsed |