US3073546A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closure for pneumatic tube carrier
Assignee: Individual
•
Filing: 1960-12-27
•
Granted: 1963-01-15
•
Expires: 1980-12-27
Abstract
No abstract record available.
Inventors
- 👤 Woodland Edward Francis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:56
CPC Classifications
B; B65; B65G; B65G51/00; B65G51/04; B65G51/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
102 words
A PNEUMATIC TUBE CARRIER COMPRISING A HOLLOW RECEPTACLE HAVING AN OUTER WALL, A FLANGED COLLAR POSITIONED SECURELY IN ONE END OF SAID HOLLOW RECEPTACLE, A CLOSURE FOR CLOSING SAID RECEPTACLE, SAID CLOSURE COMPRISING A RESILIENT DISC, A SECONDARY FLANGED COLLAR SECURED TO SAID RESILIENT DISC ABOUT THE PERIPHERAL EDGE THEREOF, A FLEXIBLE HINGE CONNECTED WITH SAID OUTER WALL AND SAID RESILIENT MEMBER, A FASTENER CONNECTED WITH SAID OUTER WALL AND REMOVABLY CONNECTED WITH SAID DISC, SAID SECONDARY FLANGED COLLAR ON SAID DISC ADAPTED TO BE SLIDABLY ENGAGED WITHIN SAID FLANGED COLLAR TO POSITION SAID DISC IN FIXED RELATION TO SAID HOLLOW RECEPTACLE.
References Cited (Backward Citations)
US2288427A
Cited
US2961187A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |