Patent US3427759A successfully refreshed from Google Patents.
Patent US2731053A successfully refreshed from Google Patents.
US2731053A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Medical containers and their closures
Assignee: Compule Corp
•
Filing: 1953-06-19
•
Granted: 1956-01-17
•
Expires: 1973-06-19
Abstract
No abstract record available.
Inventors
- 👤 Marshall L Lockhart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:42
CPC Classifications
B; B65; B65D; B65D51/00; B65D51/16; B65D51/1672; B65D51/1688; Y; Y10; Y10S; Y10S215/00; Y10S215/03; Y10S215/90
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1437934A
Cited
US2228936A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-16 | 1959-07-18 | 1960-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-16 | 1963-07-18 | 1964-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-16 | 1967-07-18 | 1968-01-17 | $7700.00 | Window Closed / Lapsed |