US2800253A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drop dispenser and container
Assignee: Individual
•
Filing: 1952-10-07
•
Granted: 1957-07-23
•
Expires: 1972-10-07
Abstract
No abstract record available.
Inventors
- 👤 Henderson Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:04
CPC Classifications
B; B01; B01L; B01L3/00; B01L3/02; B01L3/0282; B65; B65D; B65D47/00; B65D47/04; B65D47/06; B65D47/18
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US342837A
Cited
US537111A
Cited
US2734655A
Cited
US1889209A
Cited
US1988661A
Cited
US2017603A
Cited
US2107167A
Cited
US2058516A
Cited
US2237213A
Cited
US2531745A
Cited
US2578864A
Cited
US2688754A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-22 | 1961-01-21 | 1961-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-22 | 1965-01-21 | 1965-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-22 | 1969-01-21 | 1969-07-23 | $7700.00 | Window Closed / Lapsed |