US2688170A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Strap clamp
Assignee: HALLETT Manufacturing CO
•
Filing: 1951-03-31
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Granted: 1954-09-07
•
Expires: 1971-03-31
Abstract
No abstract record available.
Inventors
- 👤 Vernon W Balzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:12
CPC Classifications
F; F16; F16L; F16L23/00; F16L23/04; F16L23/08; F16L23/10; F02; F02P; F02P7/00; F02P7/02; F02P7/04; Y; Y10; Y10T; Y10T24/00; Y10T24/14; Y10T24/1412; Y10T24/1441; Y10T24/21; Y10T24/2179; Y10T292/00; Y10T292/20; Y10T292/205; Y10T292/212; Y10T292/214
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US37767A
Cited
US485484A
Cited
CH55786A
Cited
GB117185A
Cited
US2326282A
Cited
US2272178A
Cited
US2208859A
Cited
DE726300C
Cited
US2403449A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-09-06 | 1958-03-08 | 1958-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-09-06 | 1962-03-08 | 1962-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-09-06 | 1966-03-08 | 1966-09-07 | $7700.00 | Window Closed / Lapsed |