US2873886A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dispenser
Assignee: Pfizer Inc
•
Filing: 1954-07-29
•
Granted: 1959-02-17
•
Expires: 1974-07-29
Abstract
No abstract record available.
Inventors
- 👤 John J Miskel
- 👤 Horner Hugh
- 👤 Eugene J Kalnin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 02:49
CPC Classifications
B; B65; B65D; B65D51/00; B65D51/18; B65D51/20; B65D51/22; B65D51/221; B65D51/222; B65D2251/00; B65D2251/0003; B65D2251/0006; B65D2251/0025; B65D2251/0068; B65D2251/0093; B65D2251/0096
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1465793A
Cited
US2373373A
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US1100433A
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US1266394A
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US1865484A
Cited
US2545991A
Cited
US2438299A
Cited
US2694506A
Cited
US2529836A
Cited
US2792975A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-16 | 1962-08-18 | 1963-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-16 | 1966-08-18 | 1967-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-16 | 1970-08-18 | 1971-02-17 | $7700.00 | Window Closed / Lapsed |