US2828799A
Expired / Lapsed
US
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Process of enveloping shaped objects
Assignee: EIDP Inc
•
Filing: 1955-10-10
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Granted: 1958-04-01
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Expires: 1975-10-10
Abstract
No abstract record available.
Inventors
- 👤 Jr Wilbur E Harrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:29
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/86; H01J29/87; B; B29; B29C; B29C51/00; B29C51/002; B29C51/16; B29C51/26; B29C51/42; B29C51/421; B29C51/422; B29C51/426; H01J2229/00; H01J2229/87; H01J2229/875; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1028; Y10T156/103; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49863; Y10T29/49865
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2531540A
Cited
US2497376A
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US2650213A
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US2690593A
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US2719100A
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US2731654A
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US2749572A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-31 | 1961-09-30 | 1962-04-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-31 | 1965-09-30 | 1966-04-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-31 | 1969-09-30 | 1970-04-01 | $7700.00 | Window Closed / Lapsed |