US2902809A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Container sealing machine
Assignee: Pfizer Inc
•
Filing: 1956-10-22
•
Granted: 1959-09-08
•
Expires: 1976-10-22
Abstract
No abstract record available.
Inventors
- 👤 Wysocki Kazmier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:36
CPC Classifications
B; B65; B65B; B65B7/00; B65B7/16; B65B7/28; B65B7/2842; B65B7/285; B67; B67B; B67B3/00; B67B3/02; B67B3/10; B67B3/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1227244A
Cited
US1599325A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-07 | 1963-03-09 | 1963-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-07 | 1967-03-09 | 1967-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-07 | 1971-03-09 | 1971-09-08 | $7700.00 | Window Closed / Lapsed |