US2687157A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic container
Assignee: COWAN BOYDEN Corp
•
Filing: 1948-12-10
•
Granted: 1954-08-24
•
Expires: 1968-12-10
Abstract
No abstract record available.
Inventors
- 👤 Clifton J Cowan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:48
CPC Classifications
B; B65; B65D; B65D43/00; B65D43/14; B65D43/16; B65D43/162; B29; B29C; B29C33/00; B29C33/30; B29C45/00; B29C45/0081; B65D2251/00; B65D2251/10; B65D2251/1016; B65D2251/105; Y; Y10; Y10S; Y10S16/00; Y10S16/13; Y10S220/00; Y10S220/14; Y10S425/00; Y10S425/003; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/49876
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US557461A
Cited
US1498335A
Cited
US1975127A
Cited
US1958466A
Cited
US2078488A
Cited
US2227966A
Cited
US2168822A
Cited
US2375645A
Cited
US2487400A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-23 | 1958-02-22 | 1958-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-23 | 1962-02-22 | 1962-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-23 | 1966-02-22 | 1966-08-24 | $7700.00 | Window Closed / Lapsed |