US2614872A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sprocket fastening means
Assignee: International Projector Corp
•
Filing: 1949-03-08
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Granted: 1952-10-21
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Expires: 1969-03-08
Abstract
No abstract record available.
Inventors
- 👤 Henry F Heidegger
- 👤 Borberg Willy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:40
CPC Classifications
F; F16; F16H; F16H57/00; F16H57/0018; F16H57/0025; F16B; F16B21/00; F16B21/10; F16B21/12; F16D; F16D1/00; F16D1/06; G; G03; G03B; G03B1/00; G03B1/42; G03B19/00; G03B19/18; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7075; Y10T403/7077; Y10T403/7079; Y10T403/7084
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) | 1955-10-21 | 1956-04-21 | 1956-10-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-10-21 | 1960-04-21 | 1960-10-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-10-21 | 1964-04-21 | 1964-10-21 | $7700.00 | Window Closed / Lapsed |