US2613607A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bellows pump
Assignee: Milton Roy LLC
•
Filing: 1949-10-27
•
Granted: 1952-10-14
•
Expires: 1969-10-27
Abstract
No abstract record available.
Inventors
- 👤 Robert T Sheen
- 👤 Saalfrank Royal Bartlett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:23
CPC Classifications
F; F04; F04B; F04B43/00; F04B43/08; F04B43/10; F04B43/113; F04B43/107; F04B5/00; F04B9/00; F04B9/08; F04B9/10; F04B9/109; F04B9/111; F04B9/113
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-10-14 | 1956-04-14 | 1956-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-14 | 1960-04-14 | 1960-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-14 | 1964-04-14 | 1964-10-14 | $7700.00 | Window Closed / Lapsed |