US2500639A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Discharge spout for resilient walled dispensers
Assignee: Celluplastic Corp
•
Filing: 1946-11-27
•
Granted: 1950-03-14
•
Expires: 1966-11-27
Abstract
No abstract record available.
Inventors
- 👤 Herman B Lermer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:53
CPC Classifications
B; B65; B65D; B65D47/00; B65D47/04; B65D47/06; B65D47/12; B65D47/122; B65D35/00; B65D35/02; B65D35/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US560984A
Cited
US2207294A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-13 | 1953-09-12 | 1954-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-13 | 1957-09-12 | 1958-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-13 | 1961-09-12 | 1962-03-14 | $7700.00 | Window Closed / Lapsed |