Patent US3047181A successfully refreshed from Google Patents.
US3047181A
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Rivet combination
Assignee: HANS GEORG BIERMANN
•
Filing: 1957-02-27
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Granted: 1962-07-31
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Expires: 1977-02-27
Abstract
No abstract record available.
Inventors
- 👤 Heidenwolf Hermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:36
CPC Classifications
F; F16; F16B; F16B19/00; F16B19/04; F16B19/08; F16B19/10; F16B19/1027; F16B19/1036; F16B19/1045; F16B19/1054; B; B21; B21J; B21J15/00; B21J15/02; B21J15/04; B21J15/043; B21J15/045; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/4992; Y10T29/49925; Y10T29/49934; Y10T29/49938; Y10T29/4994
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB504928A
Cited
US2248755A
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GB564848A
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US2343283A
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US2384321A
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US2435876A
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US2466811A
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US2652741A
Cited
US2691915A
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US2756624A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-30 | 1966-01-29 | 1966-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-30 | 1970-01-29 | 1970-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-30 | 1974-01-29 | 1974-07-31 | $7700.00 | Window Closed / Lapsed |