US3447570A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Puncture pad and holder
Assignee: ROBERT M COLLINS
•
Filing: 1967-11-01
•
Granted: 1969-06-03
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Expires: 1987-11-01
Abstract
No abstract record available.
Inventors
- 👤 Robert M Collins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 08:00
CPC Classifications
A; A61; A61M; A61M39/00; A61M39/02; A61M39/04; F; F16; F16K; F16K13/00; F16K13/04; F16L; F16L47/00; F16L47/26; F16L47/34; F16L47/345; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49403; Y10T29/49826; Y10T29/49861
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US256060A
Cited
US388260A
Cited
US2346334A
Cited
US2402781A
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US2832338A
Cited
US3055399A
Cited
US3223125A
Cited
US3327709A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-06-02 | 1972-12-02 | 1973-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-02 | 1976-12-02 | 1977-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-02 | 1980-12-02 | 1981-06-03 | $7700.00 | Window Closed / Lapsed |