US3173010A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spot filmer drive system
Assignee: Picker X Ray Corp
•
Filing: 1962-11-19
•
Granted: 1965-03-09
•
Expires: 1982-11-19
Abstract
No abstract record available.
Inventors
- 👤 David M Barrett
- 👤 Charles R Hehmeyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:56
CPC Classifications
G; G03; G03B; G03B42/00; G03B42/02; G03B42/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
IN A SPOT FILMER HAVING A FRAME WITH A FRONT LOAD OPENING AND A CARRIAGE MOVABLY MOUNTED ON THE FRAME, THE COMBINATION OF: (A) A DRIVE MEANS CONNECTED TO THE FRAME AND THE CARRIAGE FOR GUIDING THE CARRIAGE THROUGH A SELECTED ONE OF A GROUP OF RADIOGRAPHIC EXPOSURE SEQUENCES AND SELECTIVELY INTO A LOAD POSITION ADJACENT THE FRONT LOAD OPENING; (B) CASSETTE HOLDING MEANS ON THE CARRIAGE FOR RETENTIVELY GRIPPING A CASSETTE INSERTED THROUGH SAID OPENING; AND, (C) INTERLOCK MEANS CONNECTED TO THE CARRIAGE AND TO THE DRIVE MEANS TO PREVENT MOVEMENT OF THE CARRIAGE FROM THE LOAD POSITION WHENEVER A CASSETTE IS PARTIALLY INSERTED IN THE CASSETTE HOLDING MEANS AND AUTOMATICALLY ENABLING SUCH MOVEMENT WHENEVER THE CASSETTE IS FULLY INSERTED IN THE CARRIAGE.
Claim 2
Dependent Claim
124 words
IN A SPOT FILMER HAVING A FRAME WITH A FRONT LOAD OPENING AND A CARRIAGE MOVABLY MOUNTED ON THE FRAME, THE COMBINATION OF: (A) A DRIVE MEANS CONNECTED TO THE FRAME AND THE CARRIAGE FOR GUIDING THE CARRIAGE THROUGH A SELECTED ONE OF A GROUP OF RADIOGRAPHIC EXPOSURE SEQUENCES AND SELECTIVELY INTO A LOAD POSITION ADJACENT THE FRONT LOAD OPENING; (B) CASSETTE HOLDING MEANS ON THE CARRIAGE FOR RETENTIVELY GRIPPING A CASSETTE INSERTED THROUGH SAID OPENING; AND, (C) INTERLOCK MEANS CONNECTED TO THE CARRIAGE AND TO THE DRIVE MEANS TO PREVENT MOVEMENT OF THE CARRIAGE FROM THE LOAD POSITION WHENEVER A CASSETTE IS PARTIALLY INSERTED IN THE CASSETTE HOLDING MEANS AND AUTOMATICALLY ENABLING SUCH MOVEMENT WHENEVER THE CASSETTE IS FULLY INSERTED IN THE CARRIAGE.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-03-08 | 1968-09-07 | 1969-03-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-08 | 1972-09-07 | 1973-03-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-08 | 1976-09-07 | 1977-03-09 | $7700.00 | Window Closed / Lapsed |