US3246443A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foam cushion material packaging
Assignee: Aerojet Rocketdyne Holdings Inc
•
Filing: 1961-09-07
•
Granted: 1966-04-19
•
Expires: 1981-09-07
Abstract
No abstract record available.
Inventors
- 👤 Slemmons Charles Oliver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:43
CPC Classifications
B; B29; B29C; B29C43/00; B29C43/003; B65; B65B; B65B63/00; B65B63/02; B29K; B29K2105/00; B29K2105/04; Y; Y10; Y10S; Y10S297/00; Y10S297/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A METHOD OF PACKAGING A SELF-RESTORING COMPRESSIBLE, FOAM CUSHION COMPRISING THE STEPS OF: POSITIONING THE CUSHION BETWEEN SHEETS OF AIR IMPERVIOUS MATERIAL TO FORM A SANDWICH WITH THE EDGES OF SAID SHEETS EXTENDING LATERALLY OF THE CUSHION; COMPRESSING SAID SANDWICH TO REDUCE THE VOLUME OF THE CUSHION APPROXIMATELY 70 PERCENT AND TO EXPEL AIR FROM THE CUSHION; AND HEAT SEALING THE EDGE PORTIONS OF SAID SHEETS ABOUT THE CUSHION TO EFFECT A HERMETIC SEAL BETWEEN SAID SHEETS.
Claim 2
Independent Claim
77 words
A METHOD OF PACKAGING A SELF-RESTORING COMPRESSIBLE, FOAM CUSHION COMPRISING THE STEPS OF: POSITIONING THE CUSHION BETWEEN SHEETS OF AIR IMPERVIOUS MATERIAL TO FORM A SANDWICH WITH THE EDGES OF SAID SHEETS EXTENDING LATERALLY OF THE CUSHION; COMPRESSING SAID SANDWICH TO REDUCE THE VOLUME OF THE CUSHION APPROXIMATELY 70 PERCENT AND TO EXPEL AIR FROM THE CUSHION; AND HEAT SEALING THE EDGE PORTIONS OF SAID SHEETS ABOUT THE CUSHION TO EFFECT A HERMETIC SEAL BETWEEN SAID SHEETS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |