US2546208A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of sealing hollow bodies
Assignee: Injection Molding Co
•
Filing: 1949-04-30
•
Granted: 1951-03-27
•
Expires: 1969-04-30
Abstract
No abstract record available.
Inventors
- 👤 Murray M Barton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:29
CPC Classifications
B; B29; B29C; B29C66/00; B29C66/01; B29C66/32; B29C66/322; B29C65/00; B29C65/02; B29C65/18; B29C66/05; B29C66/10; B29C66/13; B29C66/137; B29C66/50; B29C66/51; B29C66/54; B29C66/542; B29C66/545; B29C66/80; B29C66/83; B29C66/832; B29C66/8322; B29L; B29L2023/00; B29L2023/20; Y; Y10; Y10S; Y10S264/00; Y10S264/76
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1678330A
Cited
US2099057A
Cited
US2169315A
Cited
US2220545A
Cited
US2219576A
Cited
US2319683A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-26 | 1954-09-25 | 1955-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-26 | 1958-09-25 | 1959-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-26 | 1962-09-25 | 1963-03-27 | $7700.00 | Window Closed / Lapsed |