US2930079A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and means for forming hollow articles
Assignee: Individual
•
Filing: 1956-05-09
•
Granted: 1960-03-29
•
Expires: 1976-05-09
Abstract
No abstract record available.
Inventors
- 👤 Parfrey Francis Trigg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:54
CPC Classifications
B; B29; B29C; B29C49/00; B29C49/42; B29C49/64; B29C49/66; A; A45; A45D; A45D2/00; A45D2/12; A45D2/24; A45D2/32; B29C49/02; B29C49/04; B29C49/28; B29C49/30; B29C49/32; B65; B65D; B65D81/00; B65D81/18; B65D81/20; B65D81/2007; B65D81/2015; B29C35/00; B29C35/16; B29C2035/1658; B29C49/58; B29C2049/5844; B29C49/6604; B29C2049/6606; B29C2049/6607; B29C2049/6615; B29C2049/6646; B29C33/00; B29C33/20; B29C33/26; Y; Y10; Y10S; Y10S425/00; Y10S425/806
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2298716A
Cited
US2597558A
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BE495105A
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GB697326A
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US2810934A
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US2903740A
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US2787023A
Cited
GB744927A
Cited
FR1109688A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-29 | 1963-09-28 | 1964-03-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-29 | 1967-09-28 | 1968-03-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-29 | 1971-09-28 | 1972-03-29 | $7700.00 | Window Closed / Lapsed |