US2655776A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for heat sealing
Assignee: C G B Co
•
Filing: 1950-02-28
•
Granted: 1953-10-20
•
Expires: 1970-02-28
Abstract
No abstract record available.
Inventors
- 👤 Clarence G Bennett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 00:18
CPC Classifications
B; B65; B65C; B65C11/00; B65C11/06; B65B; B65B51/00; B65B51/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1573669A
Cited
US1719405A
Cited
US2008271A
Cited
US1925509A
Cited
US2043829A
Cited
US2034747A
Cited
US2049759A
Cited
US2362437A
Cited
US2365605A
Cited
US2485865A
Cited
US2586580A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-19 | 1957-04-20 | 1957-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-19 | 1961-04-20 | 1961-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-19 | 1965-04-20 | 1965-10-20 | $7700.00 | Window Closed / Lapsed |