US2527746A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Attachment for retaining the mouth of a flexible container in an extended position
Assignee: SAM HAMRA
•
Filing: 1947-06-27
•
Granted: 1950-10-31
•
Expires: 1967-06-27
Abstract
No abstract record available.
Inventors
- 👤 Durward L Lawrence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:09
CPC Classifications
A; A01; A01D; A01D46/00; A01D46/08; A01D46/082; A45; A45C; A45C3/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US325287A
Cited
DE440092C
Cited
US963815A
Cited
GB191217798A
Cited
US1475132A
Cited
US1712109A
Cited
US2158999A
Cited
US2158955A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-30 | 1954-05-01 | 1954-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-30 | 1958-05-01 | 1958-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-30 | 1962-05-01 | 1962-10-31 | $7700.00 | Window Closed / Lapsed |