US3615136A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stroboscope viewing device
Assignee: MARCH 23RD CORP
•
Filing: 1969-03-17
•
Granted: 1971-10-26
•
Expires: 1989-03-17
Abstract
Abstract A STROBOSCOPE VIEWING DEVICE THAT HAS A GROUP OF PARALLEL, SPACED PLATES THAT ARE ROTATED AT SELECTABLE AND CONTROLLED SPEEDS TO PROVIDE STOP MOTION VIEWING OF A ROTATING OR RECIPROCATING OBJECT AND THAT DIRECTS A SEPARATE PULSING LIGHT SOURCE ONTO THE MOVING OBJECT IN SYCHRONISM WITH THE VIEWING OF THE OBJECT THROUGH THE ROTATING PLATES.
Inventors
- 👤 Lawrence J Kamm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 00:49
CPC Classifications
G; G01; G01P; G01P3/00; G01P3/36; G01P3/40; F; F01; F01D; F01D5/00; F01D5/02; F01D5/04; F01D5/043; F01D5/045; F01D5/12; F01D5/14; F01D5/141; F01D5/145; Y; Y02; Y02T; Y02T50/00; Y02T50/60
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1974-10-25 | 1975-04-26 | 1975-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-25 | 1979-04-26 | 1979-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-25 | 1983-04-26 | 1983-10-26 | $7700.00 | Window Closed / Lapsed |