Patent US3039728A successfully refreshed from Google Patents.
Patent US2914780A successfully refreshed from Google Patents.
US2914780A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of assembling a washer and rod to make a headed fastener
Assignee: Illinois Tool Works Inc
•
Filing: 1955-07-14
•
Granted: 1959-12-01
•
Expires: 1975-07-14
Abstract
No abstract record available.
Inventors
- 👤 Poupitch Ougljesa Jules
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:49
CPC Classifications
B; B21; B21K; B21K1/00; B21K1/44; B21K1/46; B21J; B21J5/00; B21J5/06; B21J5/08; B21K25/00; B23; B23P; B23P19/00; B23P19/04; B23P19/08; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49925; Y10T29/49934
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE364818C
Cited
US665725A
Cited
US681845A
Cited
US1268862A
Cited
US1382052A
Cited
US1435586A
Cited
US1688423A
Cited
US2228284A
Cited
US2257959A
Cited
US2609550A
Cited
US2662597A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-30 | 1963-06-01 | 1963-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-30 | 1967-06-01 | 1967-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-30 | 1971-06-01 | 1971-12-01 | $7700.00 | Window Closed / Lapsed |