Patent FR398234A successfully refreshed from Google Patents.
US2877682A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hollow rivet having two internal shoulders
Assignee: South Chester Corp
•
Filing: 1954-11-12
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Granted: 1959-03-17
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Expires: 1974-11-12
Abstract
No abstract record available.
Inventors
- 👤 John K Barry
- 👤 Michael R Tuozzo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:54
CPC Classifications
F; F16; F16B; F16B19/00; F16B19/04; F16B19/08; F16B19/10; F16B19/1027; F16B19/1036; F16B19/1081; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/49938; Y10T29/49943; Y10T29/49972
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1789660A
Cited
FR819041A
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US2246888A
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US2264747A
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US2344717A
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GB563295A
Cited
US2389479A
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US2640618A
Cited
US2668468A
Cited
US2751809A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-16 | 1962-09-15 | 1963-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-16 | 1966-09-15 | 1967-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-16 | 1970-09-15 | 1971-03-17 | $7700.00 | Window Closed / Lapsed |