Patent US3413611A successfully refreshed from Google Patents.
US3413611A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for the compaction of data
Assignee: Individual
•
Filing: 1966-01-17
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Granted: 1968-11-26
•
Expires: 1986-01-17
Abstract
No abstract record available.
Inventors
- 👤 Pfuetze David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:44
CPC Classifications
H; H03; H03M; H03M7/00; H03M7/30; H03M7/3066
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3107342A
Cited
US3064239A
Cited
US3111648A
Cited
US3200378A
Cited
US3185823A
Cited
US3238298A
Cited
US3289169A
Cited
US3278907A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-11-26 | 1972-05-27 | 1972-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-26 | 1976-05-27 | 1976-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-26 | 1980-05-27 | 1980-11-26 | $7700.00 | Window Closed / Lapsed |