US2819618A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Counterbalancing apparatus for reciprocating slide
Assignee: Individual
•
Filing: 1953-05-04
•
Granted: 1958-01-14
•
Expires: 1973-05-04
Abstract
No abstract record available.
Inventors
- 👤 Slusher Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:22
CPC Classifications
F; F16; F16F; F16F15/00; F16F15/28; A; A01; A01D; A01D34/00; A01D34/01; A01D34/02; A01D34/30; A01D34/305; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18208; Y10T74/18264; Y10T74/21; Y10T74/2142; Y10T74/2154; Y10T74/2156
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) | 1961-01-13 | 1961-07-15 | 1962-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-13 | 1965-07-15 | 1966-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-13 | 1969-07-15 | 1970-01-14 | $7700.00 | Window Closed / Lapsed |