US3505601A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sampled clipped speech tdm transmission system
Assignee: General Dynamics Corp
•
Filing: 1966-10-04
•
Granted: 1970-04-07
•
Expires: 1986-10-04
Abstract
No abstract record available.
Inventors
- 👤 Frank H Slaymaker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:49
CPC Classifications
H; H04; H04B; H04B14/00; H04B14/02; H04B14/06; H04B14/066; H04B1/00; H04B1/62; H04J; H04J3/00; H04J3/02; H04J3/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1973-04-06 | 1973-10-06 | 1974-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-04-06 | 1977-10-06 | 1978-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-04-06 | 1981-10-06 | 1982-04-07 | $7700.00 | Window Closed / Lapsed |