Patent US1545646A successfully refreshed from Google Patents.
Patent US3469189A successfully refreshed from Google Patents.
US3469189A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and system for communication of information utilizing pulse compression principles
Assignee: Gulf General Atomic Inc
•
Filing: 1966-04-01
•
Granted: 1969-09-23
•
Expires: 1986-04-01
Abstract
No abstract record available.
Inventors
- 👤 Park H Miller Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:15
CPC Classifications
H; H04; H04B; H04B14/00; H04B14/02; Y; Y10; Y10S; Y10S367/00; Y10S367/901
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US3037190A
Cited
US3197563A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-22 | 1973-03-24 | 1973-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-22 | 1977-03-24 | 1977-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-22 | 1981-03-24 | 1981-09-23 | $7700.00 | Window Closed / Lapsed |