Patent US2991500A successfully refreshed from Google Patents.
US2991500A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for making plastic containers
Assignee: Individual
•
Filing: 1958-06-17
•
Granted: 1961-07-11
•
Expires: 1978-06-17
Abstract
No abstract record available.
Inventors
- 👤 Hagen Norbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:01
CPC Classifications
B; B29; B29C; B29C49/00; B29C49/42; B29C49/48; B29C49/48185; B29C49/02; B29C49/06905; B29C49/0691; B29C49/06916; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1043; Y10T156/1052; Y10T156/1054; Y10T156/108
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2099055A
Cited
US2285370A
Cited
US2219576A
Cited
US2349177A
Cited
US2479581A
Cited
US2619228A
Cited
US2541249A
Cited
US2515093A
Cited
US2781551A
Cited
GB747434A
Cited
FR1134426A
Cited
US2918698A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-10 | 1965-01-09 | 1965-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-10 | 1969-01-09 | 1969-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-10 | 1973-01-09 | 1973-07-11 | $7700.00 | Window Closed / Lapsed |