US2843045A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metering pump apparatus
Assignee: Individual
•
Filing: 1956-05-03
•
Granted: 1958-07-15
•
Expires: 1976-05-03
Abstract
No abstract record available.
Inventors
- 👤 William H Mashinter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 01:02
CPC Classifications
B; B67; B67D; B67D7/00; B67D7/06; B67D7/58; B67D7/62; B67D7/66; F; F04; F04B; F04B43/00; F04B43/08; F04B43/10; F04B43/107; F04B49/00; F04B49/22; F04B49/24; F04B53/00; F04B53/06; F04B53/10; F04B53/102
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2735369A
Cited
US1696825A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-14 | 1962-01-13 | 1962-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-14 | 1966-01-13 | 1966-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-14 | 1970-01-13 | 1970-07-15 | $7700.00 | Window Closed / Lapsed |