Patent US3473288A successfully refreshed from Google Patents.
US3473288A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Packaging machine
Assignee: Nippon Carbide Industries Co Inc
•
Filing: 1967-08-01
•
Granted: 1969-10-21
•
Expires: 1987-08-01
Abstract
No abstract record available.
Inventors
- 👤 Hiroshi Nakamura
- 👤 Shiro Nanmo
- 👤 Yasutaro Ishizaki
- 👤 Tokuji Saito
- 👤 Kin Kato
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:58
CPC Classifications
B; B65; B65B; B65B65/00; B65B65/04; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1056; Y10T156/1057
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2951325A
Cited
US3172246A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-10-20 | 1973-04-21 | 1973-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-20 | 1977-04-21 | 1977-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-20 | 1981-04-21 | 1981-10-21 | $7700.00 | Window Closed / Lapsed |