Patent US2951181A successfully refreshed from Google Patents.
US3281797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Data transmission system
Assignee: Friden Inc
•
Filing: 1963-01-30
•
Granted: 1966-10-25
•
Expires: 1983-01-30
Abstract
No abstract record available.
Inventors
- 👤 Ben A Harris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:40
CPC Classifications
G; G06; G06F; G06F3/00; G06F3/06; G06F3/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A DATA TRANSMISSION SYSTEM COMPRISING: A TRANSMITTER FOR TRANSMITTING DATA INFORMATION ITEMS, MEANS INCLUDED IN SAID TRANSMITTER FOR INITIATING EACH TRANSMISSION WITH AN INFORMATION ITEM INDICATIVE OF THE QUANTITY OF DATA INFORMATION ITEMS TO BE TRANSMITTED AND FOR TERMINATING EACH TRANSMISSION WITH A TERMINATION SIGNAL, A DATA RECEIVER FOR RECEIVING THE TRANSMISSIONS OF SAID TRANSMITTER, AND MEANS INCLUDED IN SAID RECEIVER FOR STORING SAID INITIAL INFORMATION ITEM AND FOR COUNTING THE NUMBER OF INFORMATION ITEMS RECEIVED AND RESPONSIVE TO SAID TERMINATION SIGNAL FOR UTILIZING SAID STORED INITIAL INFORMATION ITEM TO VERIFY CORRECTNESS OF THE NUMBER OF DATA INFORMATION ITEMS RECEIVED AND COUNTED.
Claim 2
Dependent Claim
102 words
A DATA TRANSMISSION SYSTEM COMPRISING: A TRANSMITTER FOR TRANSMITTING DATA INFORMATION ITEMS, MEANS INCLUDED IN SAID TRANSMITTER FOR INITIATING EACH TRANSMISSION WITH AN INFORMATION ITEM INDICATIVE OF THE QUANTITY OF DATA INFORMATION ITEMS TO BE TRANSMITTED AND FOR TERMINATING EACH TRANSMISSION WITH A TERMINATION SIGNAL, A DATA RECEIVER FOR RECEIVING THE TRANSMISSIONS OF SAID TRANSMITTER, AND MEANS INCLUDED IN SAID RECEIVER FOR STORING SAID INITIAL INFORMATION ITEM AND FOR COUNTING THE NUMBER OF INFORMATION ITEMS RECEIVED AND RESPONSIVE TO SAID TERMINATION SIGNAL FOR UTILIZING SAID STORED INITIAL INFORMATION ITEM TO VERIFY CORRECTNESS OF THE NUMBER OF DATA INFORMATION ITEMS RECEIVED AND COUNTED.
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) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |