US3578467A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable volume coffee container
Assignee: RICHARD R HUBER
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Filing: 1968-09-05
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Granted: 1971-05-11
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Expires: 1988-09-05
Abstract
Abstract A COFFEE CONTAINER APPARATUS INCLUDING AN OPEN TOP CAN WHICH RECEIVES A PLUNGER TYPE COVER THAT COLSELY FITS THE WALL OF THE CAN AND IS INSERTABLE DOWNWARDLY THEREINTO TO FORCE THE AIR THERE OUT OF TO COME TO REST ON THE TOP OF THE COFFEE AND HERMETICALLY SEAL AIR FROM CONTACT THEREWITH WHEREBY THE COFFEE AROMA WILL BE MAINTAINED. THE COVER MAY INCLUDE AN UPWARDLY AND OUTWARDLY FLARED, RESILIENT, PREIPHERAL LIP WHICH DEFORMS TO CONFORM TO THE CAN WALL CONFIGURATION FOR ASSURING POSITIVE HERMETIC SEALING. D R A W I N G
Inventors
- 👤 Richard R Huber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:28
CPC Classifications
B; B65; B65D; B65D39/00; B65D39/16; B65D39/02; B65D51/00; B65D51/16; B65D51/1672; B65D51/1683
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-05-10 | 1974-11-09 | 1975-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-10 | 1978-11-09 | 1979-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-10 | 1982-11-09 | 1983-05-11 | $7700.00 | Window Closed / Lapsed |