US3066853A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bellows air pump
Assignee: Individual
•
Filing: 1961-03-17
•
Granted: 1962-12-04
•
Expires: 1981-03-17
Abstract
No abstract record available.
Inventors
- 👤 Landenberger Eugen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 13:44
CPC Classifications
F; F04; F04B; F04B45/00; F04B45/02; A; A01; A01K; A01K63/00; A01K63/04; A01K63/042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2810351A
Cited
US2986098A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-03 | 1966-06-04 | 1966-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-03 | 1970-06-04 | 1970-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-03 | 1974-06-04 | 1974-12-04 | $7700.00 | Window Closed / Lapsed |