Patent US2387486A successfully refreshed from Google Patents.
US2387486A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bellows
Assignee: Individual
•
Filing: 1944-08-15
•
Granted: 1945-10-23
•
Expires: 1964-08-15
Abstract
No abstract record available.
Inventors
- 👤 Zellos Andrew
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:36
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/84; F16D3/843; F16D3/845; F04; F04B; F04B43/00; F04B43/08; F16J; F16J3/00; F16J3/04; F16J3/047; F16D2200/00; F16D2200/006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1948-10-22 | 1949-04-23 | 1949-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-10-22 | 1953-04-23 | 1953-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-10-22 | 1957-04-23 | 1957-10-23 | $7700.00 | Window Closed / Lapsed |