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US2853069A
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Flexible container with integral flow control
Assignee: Bayer Corp
•
Filing: 1955-05-09
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Granted: 1958-09-23
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Expires: 1975-05-09
Abstract
No abstract record available.
Inventors
- 👤 Robert C Beacham
- 👤 William F Butler
- 👤 William H Corcoran
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:25
CPC Classifications
A; A61; A61J; A61J1/00; A61J1/05; A61J1/10; Y; Y10; Y10S; Y10S128/00; Y10S128/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2518165A
Cited
US2784716A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-22 | 1962-03-24 | 1962-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-22 | 1966-03-24 | 1966-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-22 | 1970-03-24 | 1970-09-23 | $7700.00 | Window Closed / Lapsed |