US3407102A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a flexible reinforced bellows
Assignee: Crane Packing Ltd
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Filing: 1964-12-11
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Granted: 1968-10-22
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Expires: 1984-12-11
Abstract
No abstract record available.
Inventors
- 👤 Wilkinson Samuel Cliffo Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:26
CPC Classifications
F; F16; F16L; F16L51/00; F16L51/02; F16L51/025; F16L51/027; B; B29; B29C; B29C69/00; B29D; B29D22/00; F16J; F16J15/00; F16J15/16; F16J15/34; F16J15/36; F16J3/00; F16J3/04; F16J3/041; B29C48/00; B29C48/03; B29C48/09; B29C48/10; B29C48/12; B29C48/13; B29C48/15; Y; Y10; Y10S; Y10S138/00; Y10S138/07; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1082
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-22 | 1972-04-22 | 1972-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-22 | 1976-04-22 | 1976-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-22 | 1980-04-22 | 1980-10-22 | $7700.00 | Window Closed / Lapsed |