US3006575A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pneumatic dispatch carrier
Assignee: Individual
•
Filing: 1959-05-21
•
Granted: 1961-10-31
•
Expires: 1979-05-21
Abstract
No abstract record available.
Inventors
- 👤 Tonne Friedrich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:42
CPC Classifications
B; B65; B65G; B65G51/00; B65G51/04; B65G51/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US669890A
Cited
US1185489A
Cited
US1745786A
Cited
US2031988A
Cited
US2768667A
Cited
US2880859A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-10-30 | 1965-05-01 | 1965-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-30 | 1969-05-01 | 1969-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-30 | 1973-05-01 | 1973-10-31 | $7700.00 | Window Closed / Lapsed |