US3302854A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cluster of covers
Assignee: SWEETHEART PROPERTIES Inc A CORP OF
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Filing: 1965-03-30
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Granted: 1967-02-07
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Expires: 1985-03-30
Abstract
No abstract record available.
Inventors
- 👤 Eric L Midgley
- 👤 Norman A Rhodes
- 👤 John A Hayward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:06
CPC Classifications
B; B65; B65D; B65D71/00; B65D71/50; B26; B26F; B26F1/00; B26F1/38; B26F1/40; Y; Y10; Y10S; Y10S206/00; Y10S206/82
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
AN ARTICLE OF MANUFACTURE COMPRISING A PLURALITY OF CUP LIDS FORMED FROM A SHEET OF PLASTIC MATERIAL AND PROVIDED WITH DOWNWARDLY FLARED SIDE WALLS HAVING A DIAMETER AT THE BOTTOM SUBSTANTIALLY GREATER THAN THE DIAMETER OF THE RIMS OF THE CUPS FOR WHICH THE LIDS ARE INTENDED AND TERMINATING AT THE BOTTOM IN A MARGIN EXTENDING OUTWARDLY FROM THE BOTTOM OF THE SIDE WALL ABOUT THE PERIPHERY OF EACH LID, THE FLARED CONFIGURATION OF THE SIDE WALLS CAUSING THE CUPS AND LIDS TO ALIGN WITH ONE ANOTHER WHEN ALL OF THE LIDS ARE SIMULTANEOUSLY PLACED ON THE CUPS FOR CAPPING, SAID SIDE WALLS PROVIDING A SEAL ABOUT THE RIMS OF THE CUPS FOR WHICH THE LIDS ARE INTENDED WHEN THE LIDS ARE PRESSED FIRMLY ONTO THE RIMS, A CIRCULAR WALL SECURED TO THE TOP OF THE SIDE WALL OF EACH LID AND BEING FREE OF CONTACT WITH THE SIDE WALLS OF THE CUPS WHEN THE LIDS ARE
Claim 2
Dependent Claim
157 words
AN ARTICLE OF MANUFACTURE COMPRISING A PLURALITY OF CUP LIDS FORMED FROM A SHEET OF PLASTIC MATERIAL AND PROVIDED WITH DOWNWARDLY FLARED SIDE WALLS HAVING A DIAMETER AT THE BOTTOM SUBSTANTIALLY GREATER THAN THE DIAMETER OF THE RIMS OF THE CUPS FOR WHICH THE LIDS ARE INTENDED AND TERMINATING AT THE BOTTOM IN A MARGIN EXTENDING OUTWARDLY FROM THE BOTTOM OF THE SIDE WALL ABOUT THE PERIPHERY OF EACH LID, THE FLARED CONFIGURATION OF THE SIDE WALLS CAUSING THE CUPS AND LIDS TO ALIGN WITH ONE ANOTHER WHEN ALL OF THE LIDS ARE SIMULTANEOUSLY PLACED ON THE CUPS FOR CAPPING, SAID SIDE WALLS PROVIDING A SEAL ABOUT THE RIMS OF THE CUPS FOR WHICH THE LIDS ARE INTENDED WHEN THE LIDS ARE PRESSED FIRMLY ONTO THE RIMS, A CIRCULAR WALL SECURED TO THE TOP OF THE SIDE WALL OF EACH LID AND BEING FREE OF CONTACT WITH THE SIDE WALLS OF THE CUPS WHEN THE LIDS ARE
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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) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |