US3110599A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preserving foods and closure cap utilized therein
Assignee: Individual
•
Filing: 1961-01-30
•
Granted: 1963-11-12
•
Expires: 1981-01-30
Abstract
No abstract record available.
Inventors
- 👤 Edward M Kusinski
- 👤 Joseph W Bushong
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:08
CPC Classifications
B; B65; B65D; B65D51/00; B65D51/16; B65D51/1672; B65D51/1688
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
IN A PROCESS OF PRESERVING FOODS IN A CONTAINER FILLED WITH FOOD, SAID KCONTAINGER HAVING AN OPENING CLOSED BY A CLOSURE STRUCTURE INCLUDING A MEMBER FORMED OF THERMOPLASTIC MATERIAL WHICH SOFTENS IN BOILING WATER AND HARDENS AT NATURAL ATMOSPHERIC TEMPERATURES COMPRISING THE STEPS OF TIGHTLY ENGAGING SAID CLOSURE STRUCTURE WITH THE CONTAINER, THEN SUBJECTING SAID CONTAINER TO A HEATING MEDIUM SUFFICIENT TO BOIL THE LIQUID TO PROVIDE A VAPOR AND TO SOFTEN SAID MEMBER TO DEFLECT THE SAME BY THE VAPOR PRESSURE AND TEMPORARILY UNSEAL THE CONTAINER, THEN COOLING THE CONTAINER AND MEMBER SIMULTANEOUSLY TO RIGIDIFY THE MEMBER TO REESTABLISH A SEAL AND CONDENSE THE VAPOR IN THE CONTAINER TO PROVIDE A VACUUM.
Claim 2
Dependent Claim
113 words
IN A PROCESS OF PRESERVING FOODS IN A CONTAINER FILLED WITH FOOD, SAID KCONTAINGER HAVING AN OPENING CLOSED BY A CLOSURE STRUCTURE INCLUDING A MEMBER FORMED OF THERMOPLASTIC MATERIAL WHICH SOFTENS IN BOILING WATER AND HARDENS AT NATURAL ATMOSPHERIC TEMPERATURES COMPRISING THE STEPS OF TIGHTLY ENGAGING SAID CLOSURE STRUCTURE WITH THE CONTAINER, THEN SUBJECTING SAID CONTAINER TO A HEATING MEDIUM SUFFICIENT TO BOIL THE LIQUID TO PROVIDE A VAPOR AND TO SOFTEN SAID MEMBER TO DEFLECT THE SAME BY THE VAPOR PRESSURE AND TEMPORARILY UNSEAL THE CONTAINER, THEN COOLING THE CONTAINER AND MEMBER SIMULTANEOUSLY TO RIGIDIFY THE MEMBER TO REESTABLISH A SEAL AND CONDENSE THE VAPOR IN THE CONTAINER TO PROVIDE A VACUUM.
References Cited (Backward Citations)
US2735565A
Cited
US2130749A
Cited
US2177224A
Cited
FR789469A
Cited
US2267422A
Cited
US2772013A
Cited
US2953272A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-11-11 | 1967-05-13 | 1967-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-11-11 | 1971-05-13 | 1971-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-11-11 | 1975-05-13 | 1975-11-12 | $7700.00 | Window Closed / Lapsed |