Patent US3324787A successfully refreshed from Google Patents.
US3324787A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Infuser for tea leaves
Assignee: Corning Glass Works
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Filing: 1965-03-04
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Granted: 1967-06-13
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Expires: 1985-03-04
Abstract
No abstract record available.
Inventors
- 👤 Robert L Mccleary
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:52
CPC Classifications
A; A47; A47J; A47J31/00; A47J31/06; A47J31/0636; A47G; A47G19/00; A47G19/12; A47G19/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
IN COMBINATION WITH A TEA POT, AN IMPROVED INFUSER FOR TEA LEAVES COMPRISING, A BASE PLATE POSITIONED UPON THE INNER BOTTOM SURFACE OF SAID TEA POT, SAID BASE PLATE HAVING A PERFORATED UPPER CENTRAL PORTION AND A LOWER SUPPORT RIM PORTION CONNECTED BY A TAPERED BOUNDING PORTION; A TUBULAR MEMBER COMPRISING AN UPWARDLY OPENED REMOVABLE IMPERFORATE SIDEWALL PORTION POSITIONED UPON SAID SUPPORT RIM PORTION; AND A HANDLED RETAINING CLIP
Claim 2
Dependent Claim
69 words
IN COMBINATION WITH A TEA POT, AN IMPROVED INFUSER FOR TEA LEAVES COMPRISING, A BASE PLATE POSITIONED UPON THE INNER BOTTOM SURFACE OF SAID TEA POT, SAID BASE PLATE HAVING A PERFORATED UPPER CENTRAL PORTION AND A LOWER SUPPORT RIM PORTION CONNECTED BY A TAPERED BOUNDING PORTION; A TUBULAR MEMBER COMPRISING AN UPWARDLY OPENED REMOVABLE IMPERFORATE SIDEWALL PORTION POSITIONED UPON SAID SUPPORT RIM PORTION; AND A HANDLED RETAINING CLIP
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
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Cited
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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) | 1970-06-12 | 1970-12-12 | 1971-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-12 | 1974-12-12 | 1975-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-12 | 1978-12-12 | 1979-06-13 | $7700.00 | Window Closed / Lapsed |