US2670499A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Connecting and sealing means for curing bags
Assignee: Uniroyal Inc
•
Filing: 1950-09-20
•
Granted: 1954-03-02
•
Expires: 1970-09-20
Abstract
No abstract record available.
Inventors
- 👤 Weigold Harold
- 👤 Joseph C Andreini
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:44
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/06; B29D30/0601; B29D30/0654; B29D2030/0658
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1041216A
Cited
GB191229040A
Cited
US1397220A
Cited
US1630040A
Cited
FR32571E
Cited
US1694872A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-01 | 1957-08-31 | 1958-03-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-01 | 1961-08-31 | 1962-03-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-01 | 1965-08-31 | 1966-03-02 | $7700.00 | Window Closed / Lapsed |